410 



INDEX. 



Itetina, 183, 158. 

 Kheti, 327. 



Ithiiiuceros, 351, 814. 

 Rhizopoda, 240, 15, 185, 186. 



" skeleton of, 129. 

 Rodentia, 345, 835, 386, 337. 



" teeth of, 71, 335. 

 Rotifera, 26C, 219. 



" jaws of, 64. 

 Rudimentary Organs, 207. 

 Ruminantia, 351. 



" stomach of, SS, 56. 



" see Ox, Uuguiaia. 



SALAMANDER, 318, 296. 



metamorphosis of, 174. 

 Saliva, function of, 93. 

 Salivary Glands, 122. 

 Salmon, 31C, 285. 

 Sand-flea, 284, 252. 

 Sandpiper, 332, 312. 

 Sarcolemma, 39, 204. 

 Sauropsida, 309. 

 Saururse, 394 

 Scales of Butterflies, 301, 272. 



" of Fishes and Reptiles.135,102,283. 

 Scallop, eye of, 181, 153. 



shell of, 272. 

 Scapular Arch, 146. 

 Scarabseus, 299. 

 Scarf-skin, 12& 

 Sclerobase, 129. 

 Scleroderm, 129. 

 Sclerotic, 183. 

 Scolopendra, 291, 259. 

 Scorpion, 288, 269. 

 " mouth of, 60. 

 " respiration in, 116. 

 Sea-anemone, see Polyp. 

 Sea-blubber, 247. 

 Sea-butterfly, 273, 229. 

 Sea-fan, 256, 208. 

 Sea-hare, 274. 

 Seal, 355, 128. 

 Sea-lemon, 274. 

 Sea-lily, 258, 211. 

 Sea-lion, 355, 360. 

 Sea-sing, 274. 

 Sea-nrchin, 262, 214. 



absorption by, 94. 



alimentary canal of, 76, 39. 



anatomy of, 39. 



circulation in, 105. 



digestion in, 92. 



growth of, 214. 



mode of feeding, 62. 



mouth of, 56. 



respiration in, 112. 



shell of, 28. 



skeleton of, 130, 96. 



spines of, 130, 97. 



Sea-urchin, teeth of, C.4, 28. 

 Sea-worm, 268, 17, 223. 

 Secretion, 121. 



" see Gland. 

 Segmentation of egg, 11)7, 16b. 

 Self-division, 191, 160. 

 Sensation, 176. 

 Sense of hearing, 178. 

 " of sight, 180. 

 " of smell, 177. 

 " of taste, 177. 

 " of touch, 176. 

 Sense-organs, see Sense. 



" development of, 204 



Sensibility, 176. 

 Sepia, 280, 248. 

 Serpent, see Snake. 

 Sertularia, 247, 192. 

 Serum, 98. 

 Setse, 269. 



Setophaga, 340, 825. 

 Seventeen-year locust, 297, 26. 

 Shark, 314, 287. 



" eggs of, 194, 164 

 " gills of, 114, 287 

 " skeleton of, 137, 145. 

 Shells of Crustacea, 131. 

 " of Echinoderms, 130. 

 " ofMollnsks, 133. 

 Shoulder-girdle, 146. 

 Shrew, 63, 346, 338. 

 Shrimp, 286. 



Sight, of Arthropods, 181. 

 " of Coelenterate.s ISO. 

 " ofMollusks, 181. 

 " of Vertebrate*, 182. 

 Silk-gland, 40. 

 Silk-worm, 303. 

 Simia, 358, 353, 355. 

 Sinuses, 138. 

 Siphonophora, 248, 194. 

 Siphuncle, 279, 247. 

 Siren, 318. 



Sirenia, 349, 73, 348- 

 " see Dugong. 

 Size of Animals, 221. 

 Skeleton, of Arthropoda, 13L. 

 of Birds, 116, 144. 

 of Ccelenterates, 130. 

 of Echinoderms, 130. 

 of Fish, 138, 144, 112. 

 of limbs, 146. 

 Lion, 139, 116. 

 Mammals, 189, 106, 114, 117- 



120. 



Mollnsks, 133. 

 Reptiles, 113, 115. 

 of skull, 141, 108, 111. 

 of Vertebrates, 134 

 of Whale, 114. 

 see Exoskeletou. 



