604 



INDEX 



S^'candra, 202, 2 

 Sycon, 204 

 Syllis, 275 

 Sylvicolidic, 544 

 Symbiosis, 15S 

 Symmelry, 123 

 Sympathetic coloration, 37 



nervous s\'stem, 114 



plexus, 473 



system, 473 

 Symplectic bone, 4(j6 

 Symphila, 417, 434 

 Synapta, 308 

 Synascidia;, 446 

 Syncarida, 3S2 

 Syncitia, 62 

 Synccelidium, 240, 242 

 S)'ncoryne, 217 

 Synentognathi, 510 

 Syngamus, 266 

 Syngnathus, 511 

 Syphilis, 1S4 

 Syringopora, 230 

 Syrinx, 538 

 Syrphidje, 431 

 Systemic arteries, loi 



heart, 343 



veins, loi 

 Systole, loi 



Tabanidffi, 430 

 Tabulae, 229 

 Tabulates, 22g 

 Tactile corpuscles, 473 



organs, 115 

 Tadpoles, 27, 519 

 Taenia, 157, 247,-254 

 Ta?nioglossa, 334 

 Ta^nioke, 220 

 Tails of fishes, 32, 40S 

 Talpids, 564 

 Tanais, 386 

 Tanysloma, 430 

 Tapetum, 121 



nigrum, 476 

 Tapeworms, 247 

 Tapirus, 56S 

 Tarantella, 396 

 Tarantula, 396 

 Tardigrada, 39S, 563 

 Tarsal bones, 465 

 Tarsius, 572 

 Tarso-metatarsus, 536 

 Tarsus, 405, 465 

 Tasmanian devil, 560 



Taste, 115 

 Taste organs, 474 

 Tatusia, 563 

 Taxodont, 318 

 Tectibranchia, 334, 346 

 Tectrices, 534 

 Teeth, 4S1 



mammalian, 552 

 Tejus, 530 

 Teiea, 433 

 Telencephalon, 469 

 Telcostei, 50S 

 Tellina, 324 

 Teloblasts, 273 

 Telodendron, 84 

 Telolecithal eggs, 143 

 Telotroche, 273 

 Temnocephalid;e, 244 

 Temporal bone, 462, 548 

 Tendinous tissue, 76 

 Tenebrionidce, 424 

 Tentaculala, 23:; 

 Tent caterpillars, 433 

 Tenthredinida;, 425 

 Terebella, 98, 27S 

 Terebra, 413, 425 

 Terebrantia, 42 5 

 Tcrebratula, 290 

 Teredo, 325 

 Tergite, 404 

 Tergum, 372 

 Termes, 419 

 Terminalia, 304 

 Terminalis ner\"c, 471 

 Termites, 417, 419 

 Termitophiles, 419 

 Terns, 543 

 Terrapins, 527 

 Terricola, 279 

 Tessellata, 302 

 TesseridiE, 224 

 Test, 443 

 Testes, 486 

 Testicardines, 2()0 

 Testudinata, ^26 

 Testudo, 527 

 Tethya, 205 

 Tethyoidea, 443 

 Tetracoralla, 230 

 Tctractinelliike, 204 

 Tetradecapoda, 3S3 

 Tetrads, 134 

 Tetramera, 424 

 Tctraonid;c, 543 

 Tctraphvllida-, 254 



Tetrapneumones, 396 

 Tetrapoda, 49 1 

 Tetrarhynchus, 249 

 Tetrastemma, 258 

 Tetrasticta, 396 

 Tetraxonia, 204 

 Texas fever, 190 

 Tlralamophora, 178 

 Thalassema, 281 

 Thalassicola, 176 

 Thalassochelys, 527 

 Thaliacea, 447 

 Thaumantia, 218 

 Theca, 228, 300 

 Thecasomata, 335 

 Thecodont, 532 

 Thelyphonida, 392 

 Thelyphonus, 393 

 Thericlium, 396 

 Theriodontia, 526 

 Theromorpha, 526 

 Thoracic cavity, 555 



duct, 486 



fin, 462, 497 

 Thoracostraca, 375 

 'Threadworms, 263 

 Thrips, 420 

 Thrushes, 544 

 Thylacinus, 560 

 Thymus gland, 4S2 

 Thyone, 30S 

 Thyreoid gland, 482 

 Thysanoptera, 420 

 Thysanozoon, 242 

 Thysanura, 419 

 Tiara, 213 

 Ti!:)ia, 405, 465 

 Tibiale, 465 

 Tibio-tarsus, 536 

 Ticks, 397 

 Tick, sheep, 431 

 Tiedemann's vesicles, 292 

 Tiger, 565 

 Tiger beetles, 424 

 Tillodontia, 570 

 Tima, 21S 

 Tineidx", 432 

 Tipuhfke, 430 

 Tissues, 63 



connective, 74 



elastic, 76 



epithelial, 64 



muscular. So 



subcutaneous, 450 



supporting, 74 



