INDEX. 
433 
Star-fish, digestion in, 92. 
“ locomotion of, 161, 126. 
“ metamorphosis of, 208/ 
“ mode of feeding of, 51. 
“ mouth of, 56. 
“ nervous system of, 168, 1S3. 
“ respiration in, 112. 
“ see Ecliinodermata. 
Sternum, 145, 88. 
Stilt, 832. 
Stomach, 82-S9. 
“ digestion in, 93. 
Stork, 332. 
Stridulation, 188. 
Strombus, 278, 243. 
Struggle for Life, 226. 
Struthio, 327, 305. 
Sturgeon, 61, 315, 290. 
Subkingdom, 235, 280. 
Sun-star, 260. 
Survival of Fittest, 227. 
Suture, 147. 
Swallow, 340, 328. 
Swan, 331. 
Sweetbread, 123. 
Swift, 335. 
Swimmeret, 2S2. 
Symmetry, 222. 
Sympathetic nervous system, 175, 146. 
Synovia, 147. 
Tactile Corpuscles, 177. 
Taenia, see Tape-worm. 
Tanager, 339. 
Tapetum, 184. 
Tape-worm, 264, 216. 
“ feeding of, 49. 
Tapir, 62, 351, 180. 
Taste, 177. 
Teeth, of Amphibia, 67. 
“ of Fishes, 61, 66, 67. 
“ of Invertebrates, 63. 
“ of Mammals, 68, 70. 
“ of Reptiles, 67. 
“ structure of, 38, 66, 9, 31. 
Teleostei, 315, 284, 285, 291, 292. 
Telson, 2S2. 
Temperature of Animals, 121. 
Tendon, 36,157. 
Tentacle, 51. 
Tentaculifera, 243. 
Tent-caterpillar, 303. 
Termes, 295. 
Terebra, 278, 238. 
Terebratula, 267, 222. 
Terebratulina, 267, 221. 
Termite, 295. 
Tern, 330, 308. 
Test, 261, 96. 
Testudo, see Turtle. 
Tetrabranchs, 279, 247. 
28 
Tetradecapods, 2S5, 251, 252. 
Thoracic duct, 95, 61. 
Thorax, 119, 145, 88. 
Thornback, 314, 288. 
Thousand-legged Worm, see Julus. 
Thrush, 340. 
Thylacinus, 343. 
Thyroid Cartilage, 1S9, 159. 
Ticks, 288. 
Tissue, 32. 
Toad, 54, 61, 318, 65. 
Tongue, of Batrachians, 61. 
“ of Birds, 62. 
“ of Fishes, 61. 
“ of Insects, 50, 58. 
“ of Mammals, 63. 
“ of Man, 27. 
“ of Mollusks, 52. 
“ of Spiders, 60. 
Top-shell, 278, 242. 
Tortoise, 323, 302. 
“ see Turtle. 
Totipalmates, 330, 309. 
Toucan, 335. 
Touch, 176. 
Trachea, 119, 86. 
Tracheae, 114, 40, 79, 80, 81. 
Trichina, 265, 218. 
Tridacne, 272. 
Trilobite, 2S4. 
Trionyx, 322. 
Triton, 278, 318, 110, 296. 
Tritonian, 274, 230. 
Trochosphere, 211, 175, 176. 
Trochus, 278. 
“ embryo of, 211, 176. 
Troglodytes, 35. 
“ see Chimpanzee. 
Trogon, 335, 321. 
Tubipora, 252, 200. 
Tunicata, 309, 278, 279. 
“ see Ascidians. 
Turbo, 278, 242. 
Turkey, 84, 333, 141. 
Turritella, 278. 
Turtle, 322, 301, 302. 
“ alimentary canal of, 82. 
“ breathing of, 119. 
“ mouth of, 61. 
“ shell of, 135. 
“ skeleton of, 115. 
“ teeth of, 65. 
“ see Chelonia. 
Tusks, 383. 
Tympanum, 179, 152. 
Types, 233. 
Ungulata, 351, 53, 56,103, 111, 117, 118 
129,138,344,345. 
“ feet of, 129. 
Unio, 133, 272. 
