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 

 Trichodinse, 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, | implanta/tipn of, 406 , 

 Twins; 220 

 Tyndall, experiments on^spon- ; 



taneous 1 generation, 2d 

 Type, conformity to, 223 



UHLENHUTH on blood, 290 

 Ullman on grafting, 395 

 Ulothrix zonata, sporulation in, 



175 

 Units of Spencer, 225 



V 



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 



