704 



INDEX. 



Sub-kingdoms, 16. 



Subulo, 694. 



Suchosaurus, 471. 



Suctoria (Infusoria), 76, 82. 



Suida, 5b6, 645. 



Sula, 505. 



Surinam Toad, 441. 



Sus, 587. 



Suspecta (Ophidia), 458. 



Swallow, 522. 



Swarm-spores, of Sponges, 73, 



Swifts, 4^0, 522. 



Swim-bladder, of Fishes, 398. 



Swimmerets, of Lobster, 522, 223, 218. 



Swimming-bells, Iu5. 



Sycum. 7t>. 



Sylviadcs, 526. 



Synapta, 179. 



Synapticulsc, 135. 



Synaptidw, 180. 



Syndactyli, 527. 



Syndendi-ium, 120. 



Syngnathidce, 412. 



Syrinx, 204. 



2'abanidw, 235. 



Tabulae, of Corals, 134. 



Tabulate/,, 134, 152. 



Tachy petes, 505. 



Tania, 185, Ib7, 188, 1F9. 



Tffiniada, If3 ; characters and develop- 

 ment of, 184, ei seg. 



Talitrus, 243. 



Taipa, 627. 



Talpidve, 627 



Tamms, 622. 



Tanagrincv, 525. 



Tanais, 245. 



Tank-worms. 196. 



Tantalinw, 510. 



Tape-worm, 185, e seg. 



Tapir, 583, 64P. 



TapiridcK, 583. 



Tardiprada, 259. 



Tectibranchiata, 336, 349. 



Teleosaurus, 471. . 



Teleostei, characters of, 405, e se^. ; sub- 

 divisions of, 407, eiseg. ; distribution of, 

 in time, 427, et seq. 



Telerpeton, 467. 



Tellina. 328. 



Teilinida;, 327, 323. 



Telmatornis, 534. 



Telson, of Crustacea, 220 ; of Lobster, 

 223 ; of Limulus, 241 ; of Scorpion, 261. 



Tenrec, 628. 



Tentacles, of Hydra, 91 ; of Tubularia, 

 98; of CalycophoridcK, 104; of Fhyso- 

 phoridce, Io7 ; of Medusidce, 111 ; of 

 Hydra-tuba, 116; of Actinia, 128; of 

 Alcyonaria, 137 ; of Pleurobracliia, 143 ; 

 of Holothuroidea, 179 ; of Polyzoa, 303; 

 of Tunicata, 308 ; of Cuttle-fishes, 350, 

 351. 



Tentaculites, 216, 360. 



Tenthredinida', '288. 



Tenuirostres, 523, 526. 



Terebella, 212; development of, i6. 



2'erebratella, 316. 



Terebratula, 314, 31S, 31fi. 



Terebratulidce, 315, 3l6, 319. 



Terebratulina, 315, 316. 



Teredo, 329. 



Tergum, of the exoskeleton of Crustacea, 

 222; of Arachnida, 255. 



Terricola, 2i)9. 



Termites, 281 ; communities of, ?&. 



Terrapin, 452. 



Tesselata, 163. 



Test, of Foramiw'fera, 58'; of Echinoiil- /, 

 157, 158; of Tunicata, 307, 513. 



Testacella, 296, 341. 



Testudinidce, 452. 



Testudo, 453. 



Tetrabranchiata (Cephalopoda), 349 ; char- 

 acters of, 353 ; divisions, of, 355 ; distri- 

 bution of, in time, 36y. 



Tetradecapoda, 242. 



Tetramera, 293. 



Tetranychus, 259. 



Tetrao, 516. 



Tetraonidce, 51 6. 



Teuthida;, 351, 357, 361. 



Thalassarachna, 260. 



Thalassarctos. 609. 



Thalassemacea, 205. 



Thalassicolla, 68. 



T/ialassicollida, 68. 



j?7ieca, 343. 



Theca, of sclerodermic corallum, 131. 



Thecaphora, 98, 103. 



ThecidcB, 152. 



ThecididoE, 316. 



Thecidium, 316. 



Thecodontia, 470. 



Thecodontosaurus, 470. 



Thecosomata, 343. 



Thelyphonidce, 262. 



Theriomorpha, 438 (see ^4 noura). 



Thoracica (Cirripedia), 226, 233. 



Thread-cells, 85, 87. 



Thread-worms, 195. 



Thylacinus, 564, 642. 



Thylacoleo, 642. 



Thysanura, 278. 



Ticks, 259. 



Tiger. 614, 616. 



Tipw/a, 284. 



Tipulidce, 284,385. 



Toad, 441. 



Tongue, of Insects, 271; of Gasteropoda, 

 330 ; of Cephalopoda, 346 ; of Fishes 

 390 ; of Snakes, 454 ; of Lizards, 46^; of 



1 Crocodile, 469 ; of Birds, 491, 498. 



Tornatella. 340. 



Tornatellidce, 336, 340. 



Torpedo, 423. 



Tortoise Encrinite, 181. 



Tortoises, 445, 446, 448, 452, 453. 



Tortrix, 453. 



Totanus, 511. 



Totipalmatce, 504. 



Toucan, 521. 



Toxoceras, 356, 357. 



Toxodon, 359. 



Tracheae, 218; of Arachnida, 257; of 

 Myriapoda, 2G5 ; of Insecta, 272. 



Trachearia (Arcchnida), 258. 



Trachiopoda, 316. 



Trachyderma, 2 16. 



Trachynema, 113. 



Trachynemidw, 113, 120. 



Tragulus, 592. 



Transformation, 36. 



