318 



INDEX. 



skeleton of tlie, 64 et seq. (See 

 Frog. ) 



Bicuspis (Lat. bis twice, and cusjyis 

 a point), shape of the molars, 303 



Birds, composition of their bones, 

 15; skeleton of, 134 et seq. ; wing 

 bones of, 141 ; pelvis and leg 

 bones of, 144; structui-e of the 

 foot in, 148 ; mechanism of flight 

 in, 149 



Boa-constrictor, skull of the, 81 ; 

 jaws of the, 83; section of its 

 skull, 90 



Bones, on the formation and com- 

 position of the, 13 e^ seq. ; of the 

 vertebrate animals, 15 ; their che- 

 mical composition, 15 ; matter of, 

 variously disposed, ib. ; the blas- 

 tema and cartilage of, 21 ; the 

 primitive bases of, 21 ; the growth 

 of, 22 ; structure of, in different 

 classes of animals, 24; names of 

 different cells, ib. (see Skeleton); 

 of the fish, 35 et seq. ; of the head, 

 general and special names of, 48 ; 

 classification of the, 50 



Bonito, teeth of the, 242 



Bothriolepis (Gr, boihrioji a hollow 

 pit, and lepis a scale), pliciden- 

 tine of the, 247 



Bottle-nose cetacean, teeth of the, 

 259 



Bradypus ti-idactylus (Gr. bradus 

 slow, and pous a foot ; tria three, 

 and daktyloi fingers), bones of 

 the, 191 



Brain, the upper or anterior divi- 

 sion of the great trunk of the 

 nervous sj^stem, 30 



Branchial arches (Gr, brandda the 

 gills), 49 



Branchiostegal rays (Gr. branchia 

 the gills, and Lat. ieyo to cover), 

 44, 50 



Bruta, order of their numerous 

 teeth, 259 ; dentition of the, 294 



Cachalot, teeth of the, 259 

 Calcaneiim bone, or calcaneal pro- 



cesses (Lat. calx, or calcaneum, 

 the heel), 133, 146, 147; of the 

 hind foot in animals, 185, 187. 



Calcification of the dental process, 

 286 



Canines (Lat. cania a dog), of the 

 Carnivora, 264 ; of the horse, 271 



Capucin monkey, dentition of the, 

 305 



Carapace (Gr. karabos a crab) of 

 the turtle, 124 



Carnivora (Lat. caro flesh, and voro 

 to devour), teeth of the, 264 



Carnivorous mammalia, skeleton of 

 the, 200 



Carpal bones of the cod-fish (Gr. 

 karpos the wrist), 41, 42; of the 

 crocodile, 118; in man, 216 



Caudal vertebra (Lat. cauda the 

 tail), modifications of the, 55, 102 



Cebus (Gr. kebus a species of mon- 

 key), dentition of the, 305 



Cellular substance of animals, 13 



Cement of the teeth, 233 



Centrum (Gr. keniron a centre), the 

 centre bone of the vertebra, 26, 

 32, 33 ; of the parietal vertebra, 

 called basisphenoid, 43 ; called 

 presphenoid, 45 



Ceratohyal (Gi*. kcras a horn, and 

 hualos glass), 44, 53 



Cercopithecus (Gr. kerkos a tail, and 

 pithex an ape), skeleton of the, 211 



Cestracion (Gr. kestron a dart), os- 

 teodentine of the, 247 



Cetacea, or Cetacians (Gr. kete a 

 whale), limbs of the, 151 ; skele- 

 ton of the, 153 



Cetiosaurus (Gr, kete a whale, and 

 saura a lizard), vertebrae of the, 

 98 



Chcetodonts (Gr, cliaile a bristle, and 

 odou a tooth), teeth of the, 242 



Chelonian reptiles (Gr. chelone a 

 tortoise), osteology of the, 100 et 

 seq. (see Toutoise) ; masticating 

 organs of the, 249 



Chimosroids (Gr. chimxra a mon- 

 ster, and eidos resemblance), va- 

 sodentine of the, 247 



Chimpanzee, cranial development of 

 the, 223 ; dentition of the, 302 



