502 



INDEX. 



DiAGRAJis — continued. 



Monkfish (squatina), pectoral 

 member, 39. 



skuU, 130. 



Mudfish, skull, 168, 169. 



Orang, digit, 53. 



Os innominatum of man, 37. 



Ostrich, skull, 284. 



Ox, skeleton, 377. 



Pig, brain, 65, 67. 



Pike, brain, 164. 



outline, 42. 



pectoral arch and fore 



limb, 158. 



skull, 151, 152, 154,155 . 



Plaice, skull, 29. 



Plesiosaurus, skeleton, 210. 



Polyptenis, caudal extremity, 

 17. 



Pterodactylus, skeleton, 267. 



Python, dorsal vertebrae, 234. 



-^ skull, 236, 239. 



Kabbit, brain, 65, 67. 



Rattlesnake, skull, 240. 



Reproductive organs in higher 

 vertebra ta, 108. 



Salamander, foot, 32. 



Salmo, caudal extremity, 17. 



Secretary bird, skull. 287. 



Shark, aortic bulb, 132. 



Sheep, stomach, 379. 



Skate, brain, 134. 



Spatularia, skull, 140. 



Sturgeon, skull, 141. 



Tadpoles, 191. 



Torpedo, 58. 



Trematosaurus, skull, 179. 



Turtle, heart, 310. 



plastron, 202. 



skull, 203, 204, 205. 



Vertebrate brain, sections, 60, 

 61. 



Whale, skull, 396, 397. 

 Dicynodontia, 259. 

 Didelphia, characteristics of, 323. 



peculiarities of, 324. 



stomach of, 327. 



Digits of anthropomorpha, 479, 

 481. 



bat, 34, 454, 456. 



birds, 297. 



cvnomorpha, 473. 



dog, 416. 



Digits of lacertilia, 223. 



lemuridie, 458. 



man, 31, 488. 



marsupialia, 326. 



muscles of, 52. 



rabbit, 437. 



seal and turtle, 34, 426. 



DLnotherium, 431. 



Dipnoi, 167. 



Dog, anatomy of, 415. 



digits, 416. 



Dolichosauria, 228. 



Dromaeus, pelvis and hind limb. 



260. 

 Dugong, heart of, 390. 



E. 



Ear, 81. 



bones of whale, 397. 



in sauropsida, 306. 



See Hearing, organs of. 



Edentata entomophaga, groups 

 and characteristics of, 335. 



extinct, 335. 



loricata 338. 



mutica, 335. 



phytophaga, characteristics 



of, 330. 



squamata, 337. 



teeth of, 330, 335. 



tubulidentata, 337. 



Egg, development of, 3. 



Elasmobranchii, 126. 



Electrical organs, 57, 58. 



Elephant, skeleton of, 429. 

 See Proboscidea. 



Embryo of vertebrata, develop- 

 ment of, 5. 



Encephalon, 59. 



Endoskeleton, segment of, in tho- 

 racic region of a crocodile, 15. 



of vertebrata, 10. 



Entomophaga, 335. 



Eocene strata, didelphidse in, 

 328. 



extinct mammals of, 376. 



fossils of equidae in, 358, 



359. 



fossil rodents of, 442. 



Episkeletal muscles, 45. 



Equidse, fossil, 358. 



