INDEX. 



431 



Eeptilia, corpuscles of, 99, 65. 

 " distrlblltiim of, 377. 

 " lungs of, lis, 84. 

 " mouth of, 61. 

 *' preheusiou of, 61. 

 " scales of, 135. 

 " teeth of, 6T. 

 " voice of, 1S9. 



" see Crocodile, Lizard, Snake, 

 Turtle. 

 Eespiration, 111. 



" in Crustacea, 114. 



" in Echiuoderras, 112. 



" in Pishes, 114. 



" in Insects, 114. 



" in MoUusks, 113. 



" rate of, 120. 



" in Vertebrates, 117. 



" in Worms, 113. 



Eete mucosum, 12S. 

 Beticulum, SS, 56. 

 Retina, 183, 157, 158. 

 Ehea, 327. 



Ehinoceros, 136, 1C4, 3S1, 129, 344. 

 Ehizopoda, 240, 15, 184, 186. 



" skeleton of, 129. 



Rodentia, 345, 335, 336, 337. 



" teeth of, 71, 335, 336. 

 Eostrum, 2S2. 

 Eotifera, 266, 219. 



" jaws of, 64. 

 Rudimentary organs, 207. 

 Rumen, 88, 56. 

 Ruminantia, 352. 



" stomach of, 88, 56. 



*' see Ox, Ungulata. 



Saobum, 146. 

 Salamander, 318, 296. 



*' metamorphosis of, 174. 



Saliva, function of, 93. 

 Salivary Glands, 122. 

 Salmon, 316, 283, 285. 

 Sand-flea, 284, 252. 

 Sandpiper, 332, 312. 

 Sarcode, 281. 

 Sarcolemma, 39, 204. 

 Sauropsida, 308. 

 Sanrurse, 394. 



Scales of Buttei-flies. 300, 271, 272. 

 " of Pishes and Reptiles, 135, 102, 

 283. 

 Scallop, eye of, 181, 153. 



" shell of, 272. 

 Scapular Arch, 146. 

 Scarabaeus, 299. 

 Scarf-skin, 128, 386. 

 Sclerobase, 130. 

 Scleroderm, 130. 

 Sclerotic, 183, 157. 

 Scolopendra, 287, 259. 



Scorpiou, 53, 28S, 250. 

 " month of, 60. 

 " respiration in, 116. 

 Sea-anemone, see Polyp. 

 Sea-blubber, 249. 

 Sea-butterfly, 2Ti), 229. 

 Sea-fan, 256, 208. 

 Sea-hare, 274. 

 Seal, 355, 128, 181. 

 Sea-lemon, 274. 

 Sea-lily, 258, 211. 

 Sea-lion, 365, 350. 

 Sea-pen, 208. 

 Sea-slug, 262, 274, 215. 

 Sea-urchin, 201, 210, 214. 



" absorption by, 94. 



*' alimentary canal of, 76, 39. 



" anatomy of, 39. 



" circulation in, 105. 



*' digestion iu, 92. 



" growth of, 214. 



" mijde of feeding, 52. 



'* mouth of, 56. 



" respiration in, 112. 



" shell of, 28. 



skeleton of, 130. 96. 

 " spines of, 130, 9V. 



" teeth of, 64, 28. 



Sea-worm, 26S, 17, 223. 

 Secretion, 121. 



" see Gland. 

 Secretory organs, 122. 

 Segmentation of egg, 197, Jl66. 

 Seif-divisiou, 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 Snaker- 

 Sertularia, 247, 192. 

 Serum, 98. 

 Setse, 269. 



Setophaga, 340, 325. 

 Seventeen-year locust, 297, 266. 

 Shark, 67, 814, 65, 287. 

 " eggs of, 195, 164. 

 " gills of, 114, 287. 

 " skeleton [of, 137, 145, 146. 

 Shells of Crustacea, 131. 

 " ofEchinoderms, 130. 

 " ofMollusks, 133. 

 Shoulder-girdle, 146. 

 Shrew, 63, 346, 388. 

 Shrimp, 286. 

 Sight, of Arthropods, 181. 



