576 GLOSSARY. 



BRONCHI (Gr. brogckos, the windpipe). The branches of the windpipe 

 (trachea), by which the air is conveyed to the vesicles of the lung. 



BRUTA (Lat. brutus, heavy, stupid). Often used to designate the Mamma- 

 lian order of the Edentata. 



BRYOZOA (Gr. bruon, moss ; zoo'n, animal). A synonym of Polyzoa, a class of 

 the Molluscoida. 



BUCCAL (Lat. bucca, mouth or cheeks). Connected with the mouth. 



BURSIFORM (Lat. bursa, a purse ; forma, shape). Shaped like a purse ; sub- 

 spherical, 



BYSSIFRROUS. Producing a byssus. 



BYSSUS (Gr. bnssos, flax). A term applied to the silky filaments by which the 

 Pinna, the common Mussel, and certain other bivalve Mollusca, attach 

 themselves to foreign objects. 



CADUCIBRANCHIATE (Lat. caducus, falling off; Gr. bragchia, 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. ccecus, blind). Terminating blindly, or in a closed extremity. 

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

 CVESPITOSE (Lat. ccespes, a turf). Tufted. 

 CAINOZOIC. (See Kainozoic. ) 

 CALCAR (Lat. a spur). Applied to the "spurs" of Rasorial birds ; and also 



to the rudiments of the hind-limbs in certain Snakes. 

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

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



(Actinozoon) is contained. 

 CALYCOPHORIDJE (Gr. kalux, a cup ; and phero, I carry). An order of the 



Oceanic Ht/drozoa, so called from their possessing bell-shaped swimming 



organs (nectocah/ces). 

 CALYX (Lat. calyx, a cup). Applied to the cup-shaped body of Vwticella 



(Protozoa), or of a Crinoid (Echinodermata). 



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 prsemaxillary suture in the upper jaw, and the 



corresponding 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. 

 CARINAT^E (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. 



CARPOPHAGA (Gr. karpos, fruit ; phago, I eat). A section of the Marsupialia. 

 CARPUS (Gr. karpos, 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 " 



Ruminants, 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. 

 CEPHALIC (Gr. kephale, head). Belonging to the head. 

 CEPHALO-BRANCHIA.TE (Gr. kephale; and bragchia, gill). Carrying gills upon 



