GLOSSARY. 481 



Caducibranchiate (Lat. cadiccus, falling off; Gr. hragcMa, gill). Applied 

 to those Amphibians in which the gills fall off before maturity is reached. 



Caducous. Applied to parts which fall off or are shed during the life of the 

 animal. 



C^CAL (Lat. coecus, blind). Terminating blindly, or in a closed extremity. 



CiECUM (Lat. ccecus). A tube which terminates blindly. 



C^SPITOSE (Lat. cces2}es, a turf). Tufted. 



Cainozoic. {See Kainozoic.) 



Calamites (Lat. calamus, a reed). Extinct plants with reed-like stems, 

 believed to be gigantic representatives of the Equise.taceoe. 



Calcareous (Lat. calx, lime). Composed of carbonate of lime. 



Calice. The little cup in which the polype of a coralligenous Zoophyte 

 {Actinozoon) is contained. 



Calycophorid^ (Gr. Tcaliox, a cup; and ^/iero, I carry). An order of the 

 Oceanic Hydrozoa, so called from theh' possessing bell -shaped swimming 

 organs {nectocalyces) . 



Calyx (Lat. calyx, a cup). Applied to the cup-shaped body of Vorticella 

 {Protozoa), or of a Crinoid {EcMnodermata). 



Campanularida (Lat. campanula, a bell). An order of Hydroid Zoophytes. 



Canine (Lat. canis, a dog). The eye-tooth of Mammals, or the tooth which is 

 placed at or close to the prajmaxillary suture in the upper jaw, and the cor- 

 responding tooth in the lower jaw. 



Capitulum (Lat. dim. of caput, head). Applied to the body of a Barnacle 

 {Lepadidce), from its being supported upon a stalk or peduncle. 



Carapace. A protective shield. Applied to the upper shell of Crabs, Lob- 

 sters, and many other Crustacea; also to the case with which certain of the 

 Infusoria are provided. Also the upper half of the immovable case in which 

 the body of a Chelonian is protected. 



Carcharodon (Gr. karcharos, rough ; odous, tooth). A genus of Sharks. 



Cardiocarpon (Gr. Tcardia, the heart; Tcarpos, fruit). A genus of fossil fruit 

 from the Coal-measures. 



Cardium (Gr. hardia, the heart). The genus of Bivalve Molluscs comprising 

 the Cockles. Car-dinia, Cardiola, and Cardita have the same derivation. 



Carinat^ (Lat. carina, a keel). Applied by Huxley to all those birds in which 

 the sternum is furnished with a median ridge or keel. 



Carnivora (Lat. caro, flesh; voro, I devour). An order of the Mammalia. 



Carnivorous (Lat. caro, flesh; voro, I devour). Feeding upon flesh. 



Carnose (Lat. caro). Fleshy. 



Carpus (Gr. Jcai-pos, the wrist). The small bones which intervene between 

 the fore-arm and the metacarpus. 



Catarhina (Gr. kata, downwards ; rhines, nostrils). A group of the Quadru- 

 mana. 



Caudal (Lat. cauda, the tail). Belonging to the tail. 



Cavicornia (Lat. cavus, hollow; cornu, a horn). The "hollow-horned" 

 Kuminants, in which the horn consists of a central bony "horn-core" sur- 

 rounded by a horny sheath. 



Centrum (Gr. kentron, the point round which a circle is described by a pair 

 of compasses). The central portion or "body " of a vertebra. 



Cephalaspid^ (Gr. kephale, head ; asp'is, shield). A family of fossil lishes. 



Cephalic (Gr. kepliale, head). Belonging to the head. 



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