INDEX. 



41!9 



RuinlnatlDg' animals. 822. 



act of feeding", &i4. 



act of raminatioa, 325. 



ffi-oups of; 826. 



!:*A,LAMANDRA, hind-foot of, 38. 



Salmo, caudal extremity of, 20. 



Sicrum of birds, 238. 



8im-opsid.a, general characteristics of, 101. 



lilimentarv canal o^ 262. 



bi-ain, 258, 259. 



■ ear, 262. 



eye-muscles, 259. 



heart, three forms of^ 264 



laiyux, 26T. 



- — liver, 264. 



niusdes and viscera, 256. 



nerves, 258. 



reproductive organs, 272. 



respu-atory organs, 269. 



stomach, 264. 



tongue of, 262. 



Soala. See OtariJae, Phocidse, Pinnipedia. 



Secretary-bird, skull of, 246. 



Seusoiy organs, 72. 



8exu.ll differences in man, 418. 



Sharks, aortic arch of; 89. 



aortic bulb, 116. 



pectoral arch, 34, 



skull, 24. 



Sheep, stomach o:^ 323. 

 Shrews {sorices), 384. 



Simiadre, general characteristics o^ 391. 

 - — - divisions of, 392. 



skull, 391. 



— - teeth, 891. 



Sirenia. characteristics o^ 830. 

 Skate, brain of, 118. 

 Skeleton, amphibian, 151, 152. 



. of anthropomorpha, 404. 



catarrhine monkey, 392. 



chelone midas, section of, 172. 



elephant, 864. 



llying-fox, :3S4. 



. fossil equidie, 805, 306. 



horse, 296. 



icLhyosauria, 209. 



limbs. 31. 



lion, 352, 



oExaitiJOScelida, transitional character of, 



OS. 321. 



pleslosauras, 183. 



porpoise, 343. 



pterodactylus, 229. 



the skull, 23. 



'.'iscei-al arches of lizard, mammal, and 



tish. 73. 



See also Endosfceleton, Exoskeleton. 

 Skull of accipenser, 124. 

 amphibian, 153. 



of anthropomorpha, 405. 



arches belonging to, 71. 



of bat, 886. 



bii-ds. 241. 



carnivora. S50. 



'— common fowl, 343. 

 . oetacea, 834. 



Skull of chelonia, 176, 177. 



cranial system, 22. 



crocodile, 218. 



cynomorpha, 397. 



dog, 853. 



elephant, 865. 



fishes, 81. 



foital cachalot, 841, 



f\-og, 152, 153. 



hedgehog, 876. 



horse, 297. 



lacertiUa, 1S9, 190. 



lemuridfe, 3S9. 



man, 414, differences in, 420, 



marmoset, 393. 



modifications of, 24. 



nmdfish, 145, 146. 



nerves of, 66-71. 



ophidia, 202. 



ornithosceUda, 227. 



ostrich, 243. 



osseons brain-case, 24, 25. 



pig, 814. 



pike, 182-135. 



plaice, 80. 



platyrrhini, 395. 



plesiosanria, 188. 



■ porpoise, 343. 



■ pterosauria, 230. 



rabbit, 872. 



rattiesnake (<irotalus), 206. 



rhinoceros, 307. 



seal, 363. 



— — ■ secretary-bird, 240. 



sirenia, 880. 



spatularia, 128. 



sturgeon, 124. 



trematosaurus, 123. 



typical segment o^ 25. 



walrus, 860. 



whale, 827, 823. 



Sloths, characteristics o^ 238 

 ankle-joint, 283. 



Umbs, 233. 



pelvis, 283. 



• tongue. '2S6. 



— vertebrae, 2S3, 

 Snakes. See Ophidia. 

 Sorices (shrews), 384. 

 Spatularia, skull o^ 123. 

 Spinal canal and cord, 65. 



system, 17. 



Spleen, 91. 



Spouting, mechanism of; In cetacea, 843. 



Spurofbh-ds, 254. 



Squatina (monkflsh), pectonu member ot K) 



sections of skull, 115. 



Stenson, canals of, 72. 

 Sternum in bhxis, 240, 241, 



of frog, 157. 



of lizai-d, 35, 36. 



Stomach, 79. 



of camels, etc., 828. 



carnivora, 351. 



musk-deer, 823. 



porpoise, 846. 



ruminating animals, 323. 838. 



sauropsida, 264. 



sheop. 323. 



teleostel, 139. 



Sturgeon, skull o^ 31. 124. 



