420 
Shrew, 270, 287. 
Siamang, 248. 
Simia, 253. 
, Il, 276. 
, Linn., 273. 
proper, 253. 
sabeea, embryo of, 275. 
—— satyrus, 254, 
troglodytes, 254. 
, Linn., 277. 
Stimiade, maternal and foetal structures, 299. 
Simic, 253. 
——, new-world, 274. 
, old-world, 274. 
Singes, 273. 
Sirenia, 306. 
Sitta, 153. 
Skinks, 237. 
Sloth, 176, 268. 
Snake, 176. 
Solitaire, 37. 
Songsters, 160. 
, soft-billed, 183. 
Sorex, 36. 
—— ?, 290. 
Sow, 287, 308. 
Stenops, 78, 81, 84, 103, 106. 
, comparison of brain of, with that of Zemur, 
107; with those of higher Quadrumana, 107. 
and Lemur, comparison of the brains of, with 
those of the lower Mammalia, 109. 
gracilis, 86, 87. 
javanicus, Tlig., 111. 
, description of the brain of, 103. 
tardigradus, 79. 
Sterna, 154, 236. 
Storks, 183, 227, 395. 
Strepsirhine Quadrumana, 107. 
Strepsirrhini, 275. 
Strix flammea, 187. 
Struthio, 231. 
—— camelus, 228, 238. 
Struthiones, 193. 
Struthionide, 156, 174, 233, 236. 
Struthionine, 176. 
Struthious Warblers, 153. 
Sugar-canes, Wild, 263. 
Sula, 332. 
INDEX OF SPECIES. 
Sula bassana, 335. 
Sus scrofa, 286. 
Swallow, 153. 
Swans, 187. 
Swift, 153, 157, 186, 187, 190. 
Swift-like Flycatcher, 153. 
Swimmers, 186. 
Sylbeocyclus europeus, 154. 
Sylviine, 176, 200, 219, 
Syndactyle group, 169. 
Syrrhaptes, 150, 162, 167, 172, 180, 184, 201, 210, 
225, 231, 236, 237. 
, &e., length of the leg-bones in, 202. 
——,, Grouse, Fowl, and Pigeon, table showing the 
number of vertebrx in the, 198. 
, Pigeon, and Ptarmigan, length of wing-bones 
in the, 202. 
—— paradoxus, 189, 190, 198, 202, 240. 
, viscera of, 204. 
Tachypetes, 154. 
Talegalla, 156, 163, 195, 200, 201, 223, 235, 236, 
237. 
lathami, 160, 198. 
, remarks on the viscera of, 166. 
—— ——, the young of, is fully fledged before 
hatching, 164. 
Tamandua, 286. 
Tarsiers, 36. 
Tarsius, 77,78, 79, 84. 
Tattlers, 189. 
Tellingula, 134. 
Tenree, 308, 314. 
, female generative organs of, 285. 
——,, maternal and foetal structures of, 287. 
, on the placental structures of the, 285. 
Tenuirostres, 153. 
Terns, 154. 
Tethide, 137. 
Tethys, 137. 
Tetrao cupido, 157, 195. 
tetria, 195. 
urogallus, 156, 168, 195. 
Tetraonida, 150, 174. 
Tetraonine, 155, 156, 237. 
Thick-knees, 151. 
Threskiornis ethiopicus, 218. 
Thylacoleo, 81. 
Tigrisoma leucolophum, 228. 
