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  • Cerastium vulgatum (plant)

    chickweed: Mouse-ear chickweed (Cerastium vulgatum), which is also from Europe, is a mat-forming, spreading perennial that has many upright stems, but it is usually not so tall as common chickweed. It grows in lawns, pastures, and cultivated fields throughout temperate regions. The stems and leaves are…

  • Cerasus (Turkey)

    Giresun, city and seaport, northeastern Turkey. It lies along the Black Sea about 110 miles (175 km) west of Trabzon. The older parts of the city lie on a peninsula crowned by a ruined Byzantine fortress, sheltering the small natural harbour. Nearby is Giresun Island, in ancient times called Ares.

  • Cerati, Gustavo (Argentine musician)

    Gustavo Cerati, Argentine pop star (born Aug. 11, 1959, Buenos Aires, Arg.—died Sept. 4, 2014, Buenos Aires), was the lead singer and guitarist for Soda Stereo, one of the most-popular rock bands in Latin America in the 1980s and ’90s. Cerati met band members Héctor (“Zeta”) Bosio and Charly

  • Ceratias holboelli (fish)

    paracanthopterygian: Life cycle and reproduction: …a specimen of the anglerfish Ceratias holboelli was discovered with small specimens attached to its abdomen that were thought to be its young. A few years later, similar finds led to the discovery that the smaller fish were really mature males living parasitically on the female. Further investigation showed that…

  • Ceratina (insect)

    carpenter bee: The small carpenter bee, Ceratina, is about six millimetres long and of metallic coloration. It nests in plant stems, which the female first hollows out and then packs with pollen and eggs. A number of individual cells are placed in a row, separated by thin partitions of wood debris…

  • Ceratioidei (fish)

    anglerfish: frogfish, and deep-sea angler.

  • Ceratiomyxa (slime-mold genus)

    Myxomycetes: In Ceratiomyxa, spores are apparently borne externally; each, however, may be a much-reduced sporangium with a true spore within.

  • Ceratites (fossil cephalopod genus)

    Ceratites, extinct genus of cephalopods (whose modern members include the octopus, the squid, and the nautilus) that serves as an index fossil for marine rocks and time of the Middle Triassic Period (245.9 million to 228.7 million years ago). The shell consisted of a series of chambers arranged in

  • ceratitid (fossil cephalopod genus)

    Ceratites, extinct genus of cephalopods (whose modern members include the octopus, the squid, and the nautilus) that serves as an index fossil for marine rocks and time of the Middle Triassic Period (245.9 million to 228.7 million years ago). The shell consisted of a series of chambers arranged in

  • Ceratitis capitata (insect)

    Mediterranean fruit fly, particularly destructive and costly insect pest, a species of fruit fly

  • Ceratium (dinoflagellate genus)

    Ceratium, genus of single-celled aquatic dinoflagellate algae (family Ceratiaceae) common in fresh water and salt water from the Arctic to the tropics. As dinoflagellates, the organisms have two unlike flagella and have both plant and animal characteristics; their taxonomic placement as algae is

  • Ceratocapnos claviculata (plant)

    Corydalis: The climbing corydalis (Ceratocapnos claviculata) of Great Britain is an annual with short sprays of cream-coloured tubular flowers. The plant was formerly placed in the genus Corydalis.

  • Ceratocystis (fungi genus)

    Eurotiomycetes:

  • Ceratocystis fagacearum (fungi species)

    wilt: Oak wilt: …wilt, caused by the fungus Ceratocystis fagacearum, is a serious disease in the eastern half of the United States. All oaks (Quercus) are susceptible, as are Chinese, European, and American chestnuts (Castanea) and tan oak (Lithocarpus densiflorus). Trees in the red oak group usually die within several weeks during late…

  • Ceratocystis ulmi (fungus)

    Ascomycota: necator), Dutch elm disease (Ophiostoma ulmi), chestnut blight (Cryphonectria parasitica), and apple scab (Venturia inequalis). Perhaps the most indispensable fungus of all is an ascomycete, the common yeast (Saccharomyces cerevisiae),

  • Ceratodon (plant)

    Horn-tooth moss, any plant of the genus Ceratodon (about 5 species) in the subclass Bryidae. The most abundant of the species, C. purpureus, has a worldwide distribution and is conspicuous because of its purple capsule (spore case), especially when growing on bare, acidic soil or burned areas.

  • Ceratodon purpureus (plant)

    horn-tooth moss: …any plant of the genus Ceratodon (about 5 species) in the subclass Bryidae. The most abundant of the species, C. purpureus, has a worldwide distribution and is conspicuous because of its purple capsule (spore case), especially when growing on bare, acidic soil or burned areas. Horn-tooth mosses are 1 to…

  • Ceratodontidae (fish family)

    lungfish: Annotated classification: Family Ceratodontidae Pectoral and pelvic fins reduced but not tentacle-like. Fin rays present; scales large; larvae without external gills. Length to about 1.25 metres (about 4 feet). 1 living species, Australian lungfish (Neoceratodus forsteri). Order Lepidosireniformes 2 functional lungs. Body eel-like in form; scales small; pectoral…

  • Ceratodontiformes (fish order)

    fish: Annotated classification: Order Ceratodontiformes (Australian lungfishes) 1 family, 1 genus, and 1 species. Order Lepidosireniformes (South American and African lungfishes) 2 families, 2 genera, and 5 species.

  • Ceratomorpha (mammal suborder)

    perissodactyl: Annotated classification: Suborder Ceratomorpha Superfamily Tapiroidea Brachydont forms, molars with simple ectoloph and strongly developed transverse protoloph and metaloph. Forefoot generally with 4 toes, hindfoot with 3. †Family Isectolophidae Lower to upper Eocene. Fossils from North America and Asia. Limb structure similar to that of Hyracotherium, teeth already

  • Ceratonia siliqua (plant)

    Carob, (Ceratonia siliqua), tree of the pea family (Fabaceae), grown for its edible pods. Carob is native to the eastern Mediterranean region and is cultivated elsewhere. The ripe dried pods can be ground into a powder that is somewhat similar in flavour to cocoa, and carob powder, chips, and

  • Ceratophryinae (amphibian subfamily)

    Anura: Annotated classification: …to 8 inches); 4 subfamilies: Ceratophryinae (South America), Telmatobiinae (South and Central America, West Indies), Hylodinae (South America), and Leptodactylinae (South America and Central America). Family Myobatrachidae and Limnodynastidae Eocene to present; 8 presacral vertebrae; coccyx free, bicondylar; 21

  • Ceratophrys (amphibian)

    Leptodactylidae: Horned frogs (Ceratophrys) are frog-eating South American forms that typically have a projecting flap, or “horn,” of skin above each eye. They have wide heads and mouths and range in length from about 2.5 cm (1 inch) in the small species to more than 15…

  • Ceratophyllaceae (plant family)

    Ceratophyllales: …of a single family (Ceratophyllaceae) with one cosmopolitan genus (Ceratophyllum) containing 10 species.

  • Ceratophyllales (plant order)

    Ceratophyllales, hornwort order of flowering plants, consisting of a single family (Ceratophyllaceae) with one cosmopolitan genus (Ceratophyllum) containing 10 species. Species of Ceratophyllum, called hornworts for their spiny fruits, are submerged aquatic plants that are mostly free-floating and

  • Ceratophyllum (plant, Ceratophyllum genus)

    Ceratophyllales: …with one cosmopolitan genus (Ceratophyllum) containing 10 species.

  • Ceratophyllus gallinae (insect)

    flea: Importance: … may be parasitized by the European chicken flea (Ceratophyllus gallinae) and, in the United States, by the western chicken flea (Ceratophyllus niger).

  • Ceratophyllus niger (insect)

    flea: Importance: …the United States, by the western chicken flea (Ceratophyllus niger).

  • ceratopian (dinosaur group)

    Ceratopsian, any of a group of plant-eating dinosaurs from the Cretaceous Period (146 million to 66 million years ago) characterized by a bony frill on the back of the skull and a unique upper beak bone, called a rostral. The ceratopsians comprise three lineages (see images). Members of the

  • Ceratopogonidae (insect)

    Biting midge, (family Ceratopogonidae), any member of a family of small, bloodsucking insects in the fly order, Diptera, that are often serious pests along seashores, rivers, and lakes and may attack in great numbers and cause extreme discomfort. The nickname no-see-ums is descriptive, for,

  • Ceratopsia (dinosaur group)

    Ceratopsian, any of a group of plant-eating dinosaurs from the Cretaceous Period (146 million to 66 million years ago) characterized by a bony frill on the back of the skull and a unique upper beak bone, called a rostral. The ceratopsians comprise three lineages (see images). Members of the

  • ceratopsian (dinosaur group)

    Ceratopsian, any of a group of plant-eating dinosaurs from the Cretaceous Period (146 million to 66 million years ago) characterized by a bony frill on the back of the skull and a unique upper beak bone, called a rostral. The ceratopsians comprise three lineages (see images). Members of the

  • ceratopsid (dinosaur)

    ceratopsian: The third group, Ceratopsidae, had very large frills and horns on the nose and above the eyes. Ceratopsidae is made up of two lineages: the Chasmosaurinae had large eye horns and small nose horns, and the Centrosaurinae had small eye horns and large nose horns. Chasmosaurinae includes Triceratops…

  • Ceratopsidae (dinosaur)

    ceratopsian: The third group, Ceratopsidae, had very large frills and horns on the nose and above the eyes. Ceratopsidae is made up of two lineages: the Chasmosaurinae had large eye horns and small nose horns, and the Centrosaurinae had small eye horns and large nose horns. Chasmosaurinae includes Triceratops…

  • Ceratopteridoid (plant clade)

    Pteridaceae: Ceratopteridoid clade: The Ceratopteridoid clade contains two genera and six species. Acrostichum consists of three species of large leathery-leaved ferns adapted to brackish and saline swamps in tropical coastal areas worldwide. Ceratopteris also contains three species, which occur in tropical and warm temperate regions and…

  • Ceratopteris (plant)

    Water fern, (genus Ceratopteris), small genus of aquatic ferns (family Pteridaceae). Ceratopteris consists of at least four species: broadleaf water sprite (C. cornuta); floating antlerfern, or water horn fern (C. pteridoides); triangle water fern (C. richardii); and water sprite (C.

  • Ceratopteris cornuta (plant)

    water fern: …of at least four species: broadleaf water sprite (C. cornuta); floating antlerfern, or water horn fern (C. pteridoides); triangle water fern (C. richardii); and water sprite (C. thalictroides). The plants are widespread in tropical and warm temperate regions around the world, and several are cultivated as aquarium plants. Although water…

  • Ceratopteris pteridoides (plant)

    water fern: cornuta); floating antlerfern, or water horn fern (C. pteridoides); triangle water fern (C. richardii); and water sprite (C. thalictroides). The plants are widespread in tropical and warm temperate regions around the world, and several are cultivated as aquarium plants. Although water ferns sometimes root in mud,…

  • Ceratopteris richardii (plant)

    water fern: pteridoides); triangle water fern (C. richardii); and water sprite (C. thalictroides). The plants are widespread in tropical and warm temperate regions around the world, and several are cultivated as aquarium plants. Although water ferns sometimes root in mud, more frequently they float on the surface of…

  • Ceratopteris thalictroides (plant)

    water fern: richardii); and water sprite (C. thalictroides). The plants are widespread in tropical and warm temperate regions around the world, and several are cultivated as aquarium plants. Although water ferns sometimes root in mud, more frequently they float on the surface of shallow water in ditches, lakes, and…

  • Ceratosauria (dinosaur infraorder)

    dinosaur: Ceratosauria: Ceratosauria includes Ceratosaurus and all theropods more closely related to it than to birds. This group includes basal theropods such as Dilophosaurus and Coelophysis. It may also include the abelisaurids of South America and elsewhere, but this is not certain. Originally thought to be…

  • Ceratosaurus (dinosaur)

    Ceratosaurus, (genus Ceratosaurus), large carnivorous dinosaurs whose fossils date from the Late Jurassic Period (161 million to 146 million years ago) in North America and Africa. Ceratosaurus lived at about the same time as Allosaurus and was similar in many general respects to that dinosaur, but

  • Ceratotherium simum (mammal)

    White rhinoceros, (Ceratotherium simum), the largest rhinoceros species and one of two African species of rhinoceroses. Historically, the species has been divided into two subspecies—the northern white rhinoceros (Ceratotherium simum cottoni) and the southern white rhinoceros (C. simum simum)—but

  • Ceratotherium simum cottoni (mammal)

    white rhinoceros: …been divided into two subspecies—the northern white rhinoceros (Ceratotherium simum cottoni) and the southern white rhinoceros (C. simum simum)—but comparative anatomy and DNA analysis suggest that the two groups are in fact different species.

  • Ceratotherium simum simum (mammal)

    white rhinoceros: … (Ceratotherium simum cottoni) and the southern white rhinoceros (C. simum simum)—but comparative anatomy and DNA analysis suggest that the two groups are in fact different species.

  • Ceratozamia (plant genus)

    Ceratozamia, genus of about 18 species of cycads in the family Zamiaceae. The species are native to Mexico and Central America and are characterized by cones with scales (sporophylls) that have pairs of spinelike horns. Species are popular in cultivation as ornamentals and specimen plants. However,

  • Ceraurus (trilobite genus)

    Ceraurus, genus of trilobites (extinct arthropods) found as fossils in rocks of Ordovician period (505 to 438 million years ago) in Europe and North America. Ceraurus is easily recognized by its unusual shape; two large spines occur at the end of the tail and at the margins of the head

  • Cerberus (Greek mythology)

    Cerberus, in Greek mythology, the monstrous watchdog of the underworld. He was usually said to have three heads, though the poet Hesiod (flourished 7th century bce) said he had 50. Heads of snakes grew from his back, and he had a serpent’s tail. He devoured anyone who tried to escape the kingdom of

  • cercal organ (anatomy)

    sound reception: Cercal organs: The cercal organ, which is found at the posterior end of the abdomen in such insects as cockroaches and crickets, consists of a thick brush of several hundred fine hairs. When an electrode is placed on the nerve trunk of the organ, which…

  • Cercamoniinae (fossil primate subfamily)

    adapiform: Evolution and classification: …other adapiforms, the widely distributed Cercamoniinae are enigmatic, to the extent that they may not be a natural or monophyletic group, because all the descendants of their common ancestor may not be known at present. Their evolutionary relationships remain unclear; some paleontologists have proposed, however, that cercamoniines are closely related…

  • cercamoniine (fossil primate subfamily)

    adapiform: Evolution and classification: …other adapiforms, the widely distributed Cercamoniinae are enigmatic, to the extent that they may not be a natural or monophyletic group, because all the descendants of their common ancestor may not be known at present. Their evolutionary relationships remain unclear; some paleontologists have proposed, however, that cercamoniines are closely related…

  • cercaria (zoology)

    schistosomiasis: Fork-tailed larvae, the cercariae, subsequently emerge from the snail into the water and, upon contact with the skin of a mammal, drop their tails and penetrate the tissues, getting into the blood circulation, where they feed.

  • Cerceau, Baptiste Androuet du (French architect)

    du Cerceau family: Baptiste Androuet du Cerceau (1545–90) succeeded his father, Jacques Androuet, in 1572–77 as the major architect of Charles IX’s Château Charleval. Later, in 1579, he worked on the Pont Neuf, which is his only surviving work. In 1584 Henry III named Baptiste supervisor of France’s…

  • Cerceau, du, family (French family)

    Du Cerceau family, renowned French family of architects and decorators who constituted a virtual dynasty in architecture and decoration from the 16th century until the end of the 17th century. Jacques Androuet du Cerceau (b. c. 1520, Paris, France—d. c. 1585, Annecy), the first member of the

  • Cerceau, Jacques Androuet du (French architect)

    furniture: France: …headed by the work of Jacques du Cerceau; and in Burgundy, where, led by the craftsman and designer Hugues Sambin, design was influenced by the Renaissance style evolved in the Netherlands.

  • Cerceau, Jean I Androuet du (French architect)

    du Cerceau family: Jean I Androuet du Cerceau (1585–1649), grandson of Jacques Androuet, was the most important designer of private houses during the early 17th century. He was responsible for the two most typical private homes of Louis XIII’s reign: the Hôtel de Sully (1624–29) and the Hôtel…

  • Cerchi, Vieri dei (Italian noble and banker)

    Vieri dei Cerchi, Florentine noble and banker who became the leader of the faction known as the Whites in the civil strife of the late 13th century. A knight who fought in the Guelf (pro-papal) army at Campaldino (June 11, 1289) against the city of Arezzo, Vieri dei Cerchi became in the 1290s the

  • Cerchio (Ukraine)

    Kerch, city and seaport, Crimea republic, southern Ukraine, on the western shore of the Strait of Kerch at the head of a small bay. Founded in the 6th century bc by Miletan Greeks, it flourished as a trading centre, and in the 5th century it became the capital of the kingdom of the Cimmerian

  • cerci (anatomy)

    dipluran: Diplurans have two appendages, or cerci, extending backward from the last of their abdominal segments, for which they are named (Greek diplo, meaning “double,” and ura, meaning “tail”). Diplurans are blind and pale, and they generally are small, measuring about 2–5 mm (0.08–0.2 inch) in length, though some tropical species…

  • Cercidiphyllaceae (plant family)

    Saxifragales: Major families: Cercidiphyllaceae comprises a single genus and two deciduous tree species from China and Japan. They are wind-pollinated. The flowers are unisexual and lack perianth parts, and there are separate male and female plants. Both the male and female structures that appear to be flowers are…

  • Cercidiphyllum japonicum (plant)

    Katsura tree, (species Cercidiphyllum japonicum), upright, gracefully branching tree native to China and Japan, and the only remaining member of the family Cercidiphyllaceae. It is a handsome ornamental tree planted widely for its broadly oval form; it grows up to 15 m (50 feet) tall in

  • Cercidiphyllum japonicum sinense (plant)

    katsura tree: …the base, but the variety C. japonicum sinense has a single trunk for several feet before branching. The katsura tree makes a good landscape specimen not only for its form and foliage but also for its relative freedom from insects and disease. Its wood is valued in Japan for lumber…

  • Cercidium floridum (plant)

    palo verde: Blue palo verde (Parkinsonia florida) is a bushy tree that grows up to 9 metres (30 feet) high. It is found in desert areas of southern California, Arizona, and northwestern Mexico, including the Baja California peninsula, and is a characteristic woody plant along washes in…

  • Cercidium macrum (plant)

    palo verde: Border palo verde (P. texana), a Mexican tree, grows only as far north as southeastern Texas. It is readily distinguished from the blue palo verde by its flattened podlike fruits. Mexican palo verde (Parkinsonia aculeata) occurs in southwestern Arizona and from Texas to Florida.

  • Cercis (plant)

    Redbud, (genus Cercis), any of a genus of 10 species of shrubs to small trees in the pea family (Fabaceae), native to North America, southern Europe, and Asia and widely planted for their showy early spring flowers. Clusters of small purplish pink flowers appear on old stems and branches before the

  • Cercis canadensis (plant)

    redbud: The eastern redbud (Cercis canadensis), up to 12 metres (40 feet) tall, is the hardiest species. It is cultivated for its rosy-purple spring flowers and interesting branch patterns; a white-flowered variety is available. The Chinese redbud (C. chinensis) is often shrubby in cultivation. Another redbud, C.…

  • Cercis siliquastrum (plant)

    redbud: …Mediterranean region, is often called Judas tree, for the betrayer of Christ, who is said to have hanged himself from such a tree, after which the white flowers turned red with blood or shame.

  • CERCLA (United States [1980])

    Superfund, U.S. government fund intended to pay for the cleanup of hazardous-waste dump sites and spills. The 1980 act creating it called for financing by a combination of general revenues and taxes on polluting industries. The Environmental Protection Agency was directed to create a list of the

  • cercle (government unit)

    Mali: Local government: …divided into administrative units called cercles, which are in turn subdivided into arrondissements. Each région is administered by a governor, who coordinates the activities of the cercles and implements economic policy. The cercles provide nuclei for the major government services; their various headquarters provide focal points for health services, the…

  • Cercle Constitutionnel, Le (French political organization)

    Paul-François-Jean-Nicolas, vicomte de Barras: …he became actively involved with Le Cercle Constitutionnel, a group of antiroyalist liberals that included Talleyrand, Joseph Fouché, Benjamin Constant, and Madame de Staël, who supported the less republican and more authoritarian structure of the Directory. His lavish lifestyle made him a symbol of the regime’s corruption.

  • Cercle et Carré (art group)

    Abstraction-Création: …the Abstraction-Création group was the Cercle et Carré (“Circle and Square”) group, founded by Michel Seuphor and Joaquin Torres-Garcia in 1930. Artists Georges Vantongerloo, Jean Hélion, and Auguste Herbin worked together to form a similar association, and by 1931 they managed to attract over 40 members to a group they…

  • Cerco (Ukraine)

    Kerch, city and seaport, Crimea republic, southern Ukraine, on the western shore of the Strait of Kerch at the head of a small bay. Founded in the 6th century bc by Miletan Greeks, it flourished as a trading centre, and in the 5th century it became the capital of the kingdom of the Cimmerian

  • Cercocarpus (plant)

    Mountain mahogany, (genus Cercocarpus), genus of five or six species of North American shrubs or small trees in the rose family (Rosaceae). The hard heartwood of these trees is highly valued for carving, and it is said that the common name was given by the Mormons, who used the wood to build the

  • Cercocebus agilis (primate)

    mangabey: …Central and East Africa: the agile mangabey (C. agilis), a slender monkey that has a small whorl of hair on the front of the crown and lives in Congo (Kinshasa) north of the Congo River westward into Gabon; the golden-bellied mangabey (C. chrysogaster), which lacks a whorl and has a…

  • Cercocebus atys (primate)

    mangabey: The sooty mangabey (C. atys), a dark, uniformly gray species with a pale face, is found from the Nzo-Sassandra system westward to Senegal. Four paler, browner species live in Central and East Africa: the agile mangabey (C. agilis), a slender monkey that has a small whorl…

  • Cercocebus chrysogaster (primate)

    mangabey: …River westward into Gabon; the golden-bellied mangabey (C. chrysogaster), which lacks a whorl and has a bright golden orange underside and is restricted to the region south of the Congo River; the Sanje mangabey (C. sanjei), discovered quite unexpectedly in 1980 living in the Udzungwa Mountains and Mwanihana forest of…

  • Cercocebus galeritus (primate)

    mangabey: …forest of Tanzania; and the Tana River mangabey (C. galeritus), a small species that has long crown hair diverging from a part and is found only in forests along the lower Tana River in Kenya. The Tana River mangabey, which numbers only 1,000–2,000 and is in danger of extinction, lives…

  • Cercocebus lunulatas (primate)

    mangabey: The white-naped mangabey (C. lunulatus) is restricted to a small region between the Nzo-Sassandra river system in Côte d’Ivoire and the Volta River in Ghana. The sooty mangabey (C. atys), a dark, uniformly gray species with a pale face, is found from the Nzo-Sassandra system westward…

  • Cercocebus sanjei (primate)

    mangabey: …of the Congo River; the Sanje mangabey (C. sanjei), discovered quite unexpectedly in 1980 living in the Udzungwa Mountains and Mwanihana forest of Tanzania; and the Tana River mangabey (C. galeritus), a small species that has long crown hair diverging from a part and is found only in forests along…

  • Cercocebus torquatas (primate)

    mangabey: The white-collared or red-capped mangabey (C. torquatus), the largest species, lives in west-central Africa and is gray with a white “collar” around the neck and a red crown. The white-naped mangabey (C. lunulatus) is restricted to a small region between the Nzo-Sassandra river system in Côte d’Ivoire and…

  • Cercopidae (insect)

    Froghopper, (family Cercopidae), any of numerous species of small (less than 1.5 cm [0.6 inch] long) hopping insects (order Homoptera), worldwide in distribution, that produce a frothy substance known as spittle. The whitish nymph secretes a fluid through the anus that is mixed with a secretion

  • Cercopithecidae (primate)

    primate: The brain: …sulci are well marked in Old World monkeys and in the apes, the complexity of the pattern closely approximating the tortuous mazelike pattern seen in humans.

  • Cercopithecinae (primate subfamily)

    primate: Size range and adaptive diversity: After human beings, Old World monkeys of the subfamily Cercopithecinae are the most successful colonizers of nonarboreal habitats.

  • Cercopithecoidea (primate superfamily)

    primate: Classification: Superfamily Cercopithecoidea 1 family with 21 genera. Family Cercopithecidae (Old World monkeys) 2 subfamilies of 21 genera with 103 or more species, almost all from Asia and Africa. 17 fossil species in 11 genera dating from Middle Miocene to Holocene. Superfamily

  • Cercopithecus (primate)

    Guenon, (genus Cercopithecus), any of 26 species of widely distributed African monkeys characterized by bold markings of white or bright colours. Guenons are slim, graceful quadrupedal monkeys with long arms and legs, short faces, and nonprehensile tails that are longer than the combined head and

  • Cercopithecus diana (primate)

    Diana monkey, (Cercopithecus diana), arboreal species of guenon named for its crescent-shaped white browband that resembles the bow of the goddess Diana. The diana monkey is generally found well above the ground in West African rainforests. Its face and much of its fur are black. It has a white

  • Cercopithecus diana roloway (monkey)

    diana monkey: The roloway monkey (C. d. roloway) is a subspecies or closely related species with a longer beard and broader diadem (browband). The diana monkey is active, hardy, and readily tamed. Although engaging when young, it is less friendly as an adult.

  • Cercopithecus hamlyni (primate)

    Owl-faced monkey, (Cercopithecus hamlyni), arboreal guenon found in tropical forests east of the Congo basin. The owl-faced monkey is greenish gray with black underparts and forelimbs; the lower back and base of the tail are silver-gray. It is named for the white streak running down the length of

  • Cercopithecus lomamiensis (primate)

    guenon: The lesula (C. lomamiensis), which inhabits pockets of habitat in Rwanda’s Nyungwe Forest National Park, possesses a spot of yellowish brown fur on the tip of its nose. The lesula was first described in 2007 and determined to be a new species in 2012. It has…

  • Cercopithecus mona (primate)

    Mona monkey, (Cercopithecus mona), common West African primate found in tropical rainforests; it was introduced to the island of Grenada during the 18th century via the slave trade, and a wild population has established itself there. The mona monkey is a speckled reddish brown in colour, with white

  • Cercopithecus neglectus (primate)

    DeBrazza’s monkey, (Cercopithecus neglectus), large brightly coloured guenon widely distributed through central Africa and into Ethiopia and western Kenya, particularly in forests near rivers and swamps. DeBrazza’s monkey is a white-bearded primate with speckled yellow-gray fur and a white stripe

  • Cercopithecus nictitans (mammal)

    guenon: …the large spot-nosed guenon, or putty-nosed monkey (Cercopithecus nictitans), is a common West African form with gray-flecked black fur and an oval yellowish or white nose spot. Among other species with nose patches are the lesser spot-nosed guenon (C. petaurista) and the redtail (C. ascanius), both with heart-shaped white nose…

  • Cercopithecus patas (primate)

    Patas monkey, (Erythrocebus patas), long-limbed and predominantly ground-dwelling primate found in the grass and scrub regions of West and Central Africa and southeast to the Serengeti plains. The adult male patas monkey has shaggy fur set off by a white mustache and white underparts, and its build

  • Cercospora (fungus form-genus)

    sugar beet: Diseases and pests: …near the soil surface, and Cercospora leaf spot, a fungus infection in which the leaves become greenish yellow and root weight and sugar content are reduced, are most serious and can cause great damage if not controlled. Precautions must also be taken against damage by worms, beetles, and nematodes.

  • Cercozoa (protist)

    protozoan: Annotated classification: Cercozoa Diverse clade. Tubular mitochondrial cristae. Cysts are common. Kinetosomes connect to nucleus with cytoskeleton. Usually contain microbodies and extrusomes. Haplosporidia Parasites of aquatic animals. Possess distinctive spores. Foraminifera Reticulate pseudopods with granular

  • cercus (anatomy)

    dipluran: Diplurans have two appendages, or cerci, extending backward from the last of their abdominal segments, for which they are named (Greek diplo, meaning “double,” and ura, meaning “tail”). Diplurans are blind and pale, and they generally are small, measuring about 2–5 mm (0.08–0.2 inch) in length, though some tropical species…

  • Cerda, Alfonso de la (Spanish prince)

    Spain: Castile and León, 1252–1479: …Fernando de la Cerda’s son, Alfonso, and the king’s second son, Sancho. Although the king recognized Sancho, their relationship deteriorated, in part because Alfonso X’s ill health rendered him less able to carry out his duties and caused him to act arbitrarily. In 1282 an assembly of nobles, prelates, and…

  • Cerda, Fernando de la (Spanish prince)

    Spain: Castile and León, 1252–1479: …king’s eldest son and heir, Fernando de la Cerda, died in 1275 while hastening to repel a Moroccan invasion. A dispute over the succession then ensued between the adherents of Fernando de la Cerda’s son, Alfonso, and the king’s second son, Sancho. Although the king recognized Sancho, their relationship deteriorated,…

  • Cerdagne (valley, Pyrenees Mountains, Europe)

    Cerdanya, high valley in the Pyrenees east of Andorra, partly in Spain (Girona provincia [province]) and partly in France (Pyrénées-Orientales and Ariège départments [departments]). It is drained by the upper Sègre River. Within the French portion is the Spanish enclave of Llivia. The town of

  • Cerdalidae (fish family)

    perciform: Annotated classification: Family Microdesmidae (Cerdalidae) (wormfishes and dartfishes) Rare, small, eel-like; chin large, forming pointed end of snout; 10 genera with about 66 species; both coasts of tropical Americas, West Africa, tropical Pacific. Family Schindleriidae Small, transparent, neotenic fishes. Marine. 1 genus (Schindleria) with 2

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