INDEX 



837 



Sticklebacks, courtship of, 337 



Stigma, 54, 64, 65 



Sting, bee, 617 



Stinging cells, 480, 486, 487 



Stomach, cardiac, 657 



cow, 184 



frog, 697 



human, 185, 189, 256 

 Stomata, 60, 61 

 Stomodeum, 613 

 Struthis cameliis, 729 

 Styela (Cynthia), 362 



fertilized egg, 364 

 Sucrase, 187, 192 

 Sucrose, 29 



Suctoria, 432, 452, 453 

 Sugar, 29, 32 

 "Sugar diabetes," 259 

 Sulfur, 174 

 Sun. 2, 29, 72 



energy of, 29, 73 

 Sunfish, 670 

 Suspension, 19, 21 

 Sutton, W. S., 393 

 Swallowing, 181, 182, 183 

 Swammerdam, J., 162 

 Sweat, 126 

 Sweat gland. 128 

 Swimmerets. 577, 578, 585 

 Swordfish, 77 

 Sycandra, 459 

 Sycon, 455, 457, 459 

 Symbiosis, 93, 95. 487 

 Symmetry of animals, 70-72 



bilateral, 368, 493, 498, 600. 635, 651, 

 654. 655, 659, 664 



radial, 466, 470, 651 

 Sympathetic nerves, 294, 295, 297, 704, 



708 

 Sympathin, 266 

 Synapses, 44, 45, 46, 287, 288, 291, 293, 



297, 306 

 Synapsida, 727 

 Syncytia, 521, 540 

 Synovial membrane, 143 

 Syphilis, 100 



Syrinx, 241, 743, 744, 745 

 System, 107 

 Systemic arches, 701 

 Systolic pressure, 220 



Tadpole, 178 



mouths of, 688 

 Taenia pisiforniis, 516 



saginata, 515 



solium, life cycle, 514 

 Tapetiim liuidiini. 326 

 Tapeworm, 499, 513-518, 797 

 Tapir, 763, 765, 799 



Tarentiila nmuritaniciis, 718 



Tarsals, 148, 150, 152, 602, 615, 693 



Tarsius, 769, 799 



Tasmanian wolf, 756 



Taste, 611, 679 



Teeth, 153, 179, 181 



carnivorous, 180 



human, 181 



vomerine, 694 

 Telegony, 414, 415 

 Telencephalon, 705 

 Teleosts, 668 

 Telolecithal, 361, 362 

 Telophase, 41, 42 

 Temperature, 83, 84 



bird, 729 



reptile, 716 

 Tendons, 159 

 Tenebrio, 406 

 Tent caterpillar, 93, 590 

 Tentacles, 467 



ctenophores, 494-496 



hydra, 470, 472, 474, 475 



mollusk, 640 



Obelia, 479 



sea anemone, 488 



squid. 648 

 Termite, 95, 103, 591 

 Termitoniciis mahout, 95 

 Territorial rights, 102 

 Testes, 256, 333, 340, 341, 343 



frog, 697, 709, 710 



hormone, effect of, 343 

 Testosterone, 271, 276 

 Tetany, 264 

 Tethys californicus, 644 

 Tetrads, 44, 45, 46 

 Tetranychus telarius, 628 

 Thalamencephalon, 705, 706 

 Thalamus, 303, 305, 311 

 Thallophyta, 795 

 Thalmi, 706 



Thermohia domestica, 590 

 Thiamine, 171, 173 

 Thrombin, 212 

 Thrombocytes, 208, 698 

 Thrombokinase, 212 

 Thrombosis, 212 

 Thymus, 256, 271, 276 

 Thyroid gland, 256, 258, 259. 261, 264, 

 270, 274, 734 



activity, 260, 262, 265, 269, 271, 272 



cartilage. 206, 240, 241 

 Thyrotrophin, 256, 277 

 Thyroxin, 19, 256. 260. 271, 272 

 Thysanura. 590, 593, 596 

 Tibia, 148, 150, 152, 725 

 Tibio-tarsus, 693, 739 

 Ticks, 623, 626-628, 629. 789 

 Tiedemann vesicles, 656 

 Tissue fluid, 195-197, 221 



