946 



INDEX 



Sympathetic nerves of frog, 526 



nervous system, 528 



system, 399 

 Sympetrum rubicundulum, 321 

 Symphysis, pubic, 576 

 Symplectic bone, 467 

 Synangium, 511 

 Synapse, 406 

 Synapsis, 1U7, 114 

 Synch^onlidae, family, 450 

 Synentognathi, suboi'der, 451 

 Syngamus trachea, 176 

 Syrinx, 603 



Syrphidae, family, 330 

 Syrphids, 330 

 Syrrhophus, 485 

 System. 108 

 Systemic arch, frog, 506 



veins, 508 

 Systole, 396 



Tabanus phaenops, 331 



Tachardia lacca, 341 



Tachinidae, family, 330 



Tachinids, 330 



Tachyglossus aculeatus, 617 



Tadarida mexicana, 620 



Taenia, 161 

 pisiformis, dog tapeworm, 761 

 saginata, beef tapeworm, 741, 742 

 serrata, dog tape, 764 

 solium, pork tape, 745, 763 



Taeniolae, 137 



Tailed amphibia, 484 



Tantilla, 556 



Tapeworm development, 762 764 



Tapeworms, 762 



Tapirs, 633 



Tarantula, 266, 296 



Tarpon, 447 



Tarsals, 495 



Tarsiers, 635 



Tarsometa tarsus, 612 



Tarsus, 293, 347 



Taste buds of flsh, 470 



Taxidea taxus, badger, 628 



Taxis, 77 



Taxonomy, 21 



Tayassuidae, family, 630 



Tegmina, 347 



Teiidae, family, 554 



Teleostei, order, 447 



Teleostomi, subclass, 446 



Telophase, 62, 64 



Telosporidia, 73 



Telson, 268 



Tendons, 106, 524. 644 



Ten-pounders, 447 



Tentacles, 131, 133, 137, 147, 197 



Tentaculata, 157 



Tentaculifera, 72 



Tentaculocysts, 137 



Teratology. 654 



Teredo navalis, 241, 255 



Tergum, 268, 306, 347 



Termites. 265, 320 



Termitophiles, 339 



Termopsis nevadensis, 320 



Terns, 591 

 Test, 219 



Testes. 572 



of cat, 653 

 Testicle, 653 

 Testosterone, 676 

 Testudinata, order, 547, 548 

 Testudinidae, family. 550 



Tetany. 670 



Tetrabranchiata, 258 



Tetragnatha laborlosa, 296 



Tetranychus telarius, 298 



Tetraphyllidae, order, 161 



Tetrastemma, 163 



Tetraxonida, order, 121 



Tettigonidae, family, 315 



Texas fever, 80 



Thalarctos maritimus, polar bear, 629 



Thaliacea, 361 



Theca, 812 



Theelin, 676 



Thenea. 121 



Theory, 18 

 of evolution, 863 

 of recapitulation, 397 

 Theridiidae, family, 295 

 Thermotropism, 77 

 Theromorjiha, 869 

 Thiamin, 389 

 Thigmotropism, 77 

 Thomisidae, family, 295 

 Thoracostel, suborder, 451 

 Threadflns, 453 

 Threadworms, 26, 175 

 Threshold stimulus, 77 

 Thrips, 265, 320 



tabaci. 320 

 Thrombocytes of frog, 503 

 Thunnidae, family, 454 

 Thymallidae, family, 448 

 Thymallus tricolor, 448 

 Thymus gland, 675 

 Thyone, 222, 224 

 Thyroid gland, 110, 667 

 Thyrotropic hormone, 678 

 Tliyroxine, 668 



Thysanoptera, order, 265, 320 

 Thysanosoma, 765 

 Thysanura, order, 265, 309 

 Tibia, 293, 306, 347 

 Tibioflbula of frog 52"' 

 Tibiotarsus, 612 

 Tick, sheep, 330 

 Ticks, 266, 298 



Tiedemann's bodies, 230, 231, 233 

 Tiger, 629 



beetles, 324 



salamander, 484 



ambystoma tigrinum, 480 



shark, 422 

 Time scale, geologic, 872 

 Tmamous, 586 

 Tingitidae, family, 318 

 Tissue, 105 



epithelial, 105 



muscular, 106 



nervous, 107 



sustentative. 106 



vascular, 108 

 Toad, arteries, 542 



Common, 487 



digestive system, 541 



embryology, 544 



marine, 473 



muscles, 543 



narrow-mouthed, 486 



nervous system, 543 



obstetrical, 480 



spadefoot, 475 



skeleton, 543 



urinogenital system, 541 



vascular system, 542 



veins, 542 

 Toadflshes, 455 

 Toads, 411, 472, 538 

 Tocopherol, 390 



