604 



INDEX 



Sycandra, 202, 2 



Syi on, 204 



Syllis, 275 



S\ IV'K olidu_-, 544 



Symbiosis, 158 



Symmetry, 123 



Sympathetic coloration, 37 



nervous system, 114 



plexus, 473 



system, 473 

 Symplectic bone, 496 

 Symphila, 417, 434 

 Synapta, 308 

 Synascidio;, 446 

 Syncarida, 382 

 Syncitia, 62 

 Synccelidium, 240, 242 

 Syncoryne, 217 

 Synentognathi, 510 

 Syngamus, 266 

 Syngnathus, 511 

 Syphilis, 184 

 Syringopora, 230 



s y rinx , S3 8 

 Syrphidae, 431 



Systemic arteries, 101 



heart, 343 



veins, 101 

 Systole, 101 



Tabanidas, 430 

 Tabula;, 229 

 Tabulate, 229 

 Tactile corpuscles, 473 



organs, 115 

 Tadpoles, 27, 519 

 Taenia, 157, 247, 254 

 Taenioglossa, 334 

 TamiokE, 220 

 Tails of fishes, 32, 498 

 Talpid;e, 564 

 Tanais, 386 

 Tanystoma, 430 

 Tapetum, 121 



nigrum, 476 

 Tapeworms, 247 

 Tapirus, 568 

 Tarantella, 396 

 Tarantula, 396 

 Tardigrada, 398, 563 

 Tarsal bones, 46 ^ 

 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, 481 



mammalian, 552 

 Tejus, 530 

 Telea, 433 

 Telencephalon, 469 

 Teleostei, 508 

 Tellina, 324 

 Teloblasts, 273 

 Telodendron, 84 

 Telolecithal eggs, 143 

 Telo troche, 273 

 Temnocephalida?, 244 

 Temporal bone, 462, 548 

 Tendinous tissue, 76 

 Tenebrionidas, 424 

 Tentaculata, 235 

 Tent caterpillars, 433 

 Tenthredinidaa, 425 

 Terebella, 98, 278 

 Terebra, 413, 425 

 Terebrantia, 425 

 Terebratula, 290 

 Teredo, 325 

 Tergite, 404 

 Tergum, 372 

 Termes, 419 

 Terminalia, 304 

 Terminals nerve, 471 

 Termites, 417, 419 

 Termitophiles, 419 

 Terns, 543 

 Terrapins, 527 

 Terricola, 279 

 Tessellata, 302 

 Tesseridas, 224 

 Test, 443 

 Testes, 486 

 Testicardines, 290 

 Testudinata, 526 

 Testudo, 527 

 Tethya, 205 

 Tethyoidea, 443 

 Tetracoralla, 230 

 Tetractinellidae, 204 

 Tetradecapoda, 383 

 Tetrads, 134 

 Tetramera, 424 

 Tetraonidae, 543 

 Tetraphyllidtc, 254 



Tetrapneumones, 396 

 Tetrapoda, 491 

 Tetrarhynchus, 249 

 Tetrastemma, 258 

 Tetrasticta, 396 

 Tetraxonia, 204 

 Texas fever, 190 

 Thalamophora, 178 

 Thalassema, 281 

 Thalassicola, 176 

 Thalassochelys, 527 

 Thaliacea, 447 

 Thaumantia, 218 

 Theca, 228, 300 

 Thecasomata, 335 

 Thecodont, 532 

 Thelyphonida, 392 

 Thelyphonus, 393 

 Theridium, 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, 482 

 Thyone, 308 

 Thyreoid gland, 482 

 Thysanoptera, 420 

 Thysanozoon, 242 

 Thysanura, 419 

 Tiara, 213 

 Tioia, 405, 465 

 Tibiale, 465 

 Tibio-tarsus, 536 

 Ticks, 397 

 Tick, sheep, 431 

 Tiedemann's vesicles, 292 

 Tiger, 565 

 Tiger beetles, 424 

 Tillodontia, 570 

 Tima, 218 

 Tineidaa, 432 

 Tipulidae, 430 

 Tissues, 63 

 connective, 74 

 elastic, 76 

 epithelial, 64 

 muscular, 80 

 subcutaneous, 450 

 supporting, 74 



