INDEX 



439 



Swammerdam, 196 

 Symbiont, 298 

 Symbiosis, 298 



blood-relationship and, 296 

 Sympathetic system, 155 



TADPOLE, grafting in, 392, 405 

 Taenia echinococcus, 310, 326 



saginata, 309, 325 



solium, 309 

 Tape-worms, 309 



life of, 325 



Taste, development of, 165 

 Tactile corpuscles, 158, 160 



sense, development of, 156, 



158 



Tchistowich on blood, 290 

 Temperature and the regener- 

 ative function, 379 



effect on bacteria, 38 



effect on eggs, 40 



effect on man, 40 



maximum, 39 



minimum, 39 



optimum, 39 



response to, 37 

 Tentacles, 125 

 Tetanus, 36 



bacillus, 303 



toxic product of, 336 

 Texas cattle fever, 319, 332 

 Thermal stimulation, response 



to, 37 



Thermotropism, 37, 43 

 Ticks, 317 

 Toad-flax, 307 



Tooth, transplantation of, 401 

 Touch, sense of, 46 



development of, 158 

 Toxins, 47, 344 

 Toxophores, 352 



Transfusion of blood, 295 



Transplantation in surgery, 398 



Trematoda, 309 



Treviranus, 25, 257 



Trichinella spiralis, 310 



Trichocephalus dispar, 310 



Trichodina3, 308 



Trichomonas, 308 



Triploblastic larvae, 204 



Trophoplasm, 232 



Tropical dysentery, parasite of, 

 308 



Tropisms, 37 



Trypanosomes, 308, 331 

 flagella of, 79 



Tsetse fly, 331 



Tuberculosis, bacillus of, 304 



Tumors, implantation of, 406 



Twins, 220 



Tyndall, experiments on spon- 

 taneous generation, 26 



Type, conformity to, 223 



UHLENHTJTH on blood, 290 

 Ullman on grafting, 395 

 Ulothrix zonata, sporulation in, 



175 

 Units of Spencer, 225 



VACCINATION, 362 

 Vaccine treatment, 369 

 Vacuoles, contractile, 73, 100 



in cells, 100 

 Van Dusch, 25 

 Van Helmont, 22 

 Variety, 281 



Vascular system, development 

 of, 128 



tubules of plants, 129 

 Vaucheria, reproduction in, 175 



