228 



GLOSSARY 



Bicus'pid. Composed of two 

 cusps or flaps. 



Bi'fid. Two divided or folded. 



Bira'mous. Two branched. 



Bi'valve. A moUusk having two 

 shells hinged together. 



Blas'toderm, 120. 



Boot'ed. Having an undivided, 

 horny, bootlike covering. Birds 

 sometimes have booted tarsi. 



Bran'chia, pi. branchiae. Res- 

 piratory organs for breathing 

 air from water. 



Branchios'tegal. Pertaining to 

 membrane covering the gills 

 of fishes. 



Cae'cal. Pertaining to baglike 

 projections from alimentary 

 canal. 



Cap'itate. Headlike in form. 



Car'apace, 95. 



Car'inate, Shaped like the keel 

 of a boat. 



Carot'id. One of the principal 

 arteries of the neck. 



Cau'dal. Pertaining to the tail. 



Cephal'ic. Pertaining to the 

 head. 



Cephalotho'rax, 88. 



Cer'ci, 27. 



Cerebel'lum. The posterior lobe 

 of the brain. 



Cer'ebrum. The anterior por- 

 tion of the brain. 



Chi'tin. The horny outside 

 skeleton of Arthropods. 



Cho'roid, 158. 



Cir'rus. A hairlike projection. 



Cla'vate. Thicker toward the 

 top. 



Cla'vicle, 174. 



Cloa'ca, 166. 



Coelentera'ta, (Gr. Hollow In- 

 testine). A branch of the ani- 

 man kingdom in which the 

 entire digestive canal is one 

 tube. 



Co'lon, 32. 



Coleop'tera, (Gr. Sheath-wing- 

 ed). An order of insects 

 which have hard outer wings. 



Columel'la, 145. 



Com'missure. Nerve fibers con- 

 necting ganglia or other parts 

 of the nervous system. 



Con'fluent. Uniting and running 

 together. 



Coniros'tral. Pertaining to a 

 strong conical bill. 



Con'nate. Growing from one 

 base. 



Convolu'tion. Irregular folding 

 of the brain of vertebrates. 



Cor'acoid, 174. 



Cor'puscles, 169. 



Cos'tal. Relating to the ribs or 

 sides. 



Cra'nial. Relating to the skull. 



Ctenid'ia. Gills of mollusks. 



Cu'bitus, 41. 



Cul'men. The dorsal ridge of 

 the bill of a bird. 



Cu'neus. A wedge-shaped part. 



