472 



INDEX 



Spontaneous generation, 21 

 Sporosacs, 196 

 Sporozoa, parasitism of, 339 

 Sporulation in coccidium, 182 

 St. Augustine, 283 

 Starch, formation of, 89 

 Stentor, nucleus of, 99 



regeneration in, 403 

 Stigma, 199 

 Stimulation, chemical, 46 



electric, 60 



food, 48 



gravity, 63 



light, 54 



mechanical, 43 



oxygen, 52 



photic, 54 



thermal, 37 



water, 50 



Stimuli, action of, 34 

 Stirp, 255 

 Stomoxys, 344, 361 

 Strasburger, 190 



on grafting, 441 

 Strepsiptera, 346 

 Strobila, 356 



Structural relationship, 301 

 Sundew, 43. See Drosera. 

 Sun's rays, effect of, 54 

 Surra, 344 

 Suspensorium, 193 

 Swammerdam, 214 

 Symbiont, 328 

 Symbiosis, 328 



blood-relationship and, 326 

 Sympathetic system, 179 



TADPOLE, grafting in, 422, 435 



Tsenia echinococcus, 340, 356 

 saginata, 339, 355 

 solium, 339 



Tanaka, 457 



Tape-worms, 339 

 life of, 355 



Taste, development of, 164 



TactnVcorpuscles, 157, 159 

 sense, development of, 157 



Tchistowich on blood, 318 



Telophase, 106 



Temperature and the regenera- 

 tive function, 409 



Temperature, effect of, on bac- 

 teria, 38 

 on eggs, 40 

 on man, 40 



maximum, 39 



minimum, 39 



optimum, 39 



response to, 37 

 Tentacles, 127 

 Testis, 204 

 Tetanus, 36 



bacillus, 333 



toxic product of, 366 

 Texas cattle fever, 349, 362 

 Thermal stimulation, response 



to, 37 



Thermotropism, 37 

 Thigmotropism, 43 

 Thury on sex determination, 243 

 Ticks, 347 



Tissue, growth of, in vitro, 326, 457 

 Toadflax, bastard, 337 

 Tooth, transplantation of, 431 

 Touch, sense of, 46 



development of, 157 

 Toxins, 47, 374 

 Toxophores, 381 

 Transfusion of blood, 323 



groups for, 324 



Transplantation in surgery, 428 

 Treat, 242 

 Trematoda, 339 

 Treviranus, 284 

 Trichinella spiralis, 340 

 Trichocephalus dispar, 340 

 Trichodinse, 338 

 Trichomonas, 338 

 Triploblastic larvae, 222 

 Trombidium, 351 

 Trophoplasm, 258 

 Tropical dysentery, parasite of, 



338 



Tropism, 37 

 Trypanosomes, 338, 361 



flagella of, 79 

 Tsetse fly, 361 



Tuberculosis, bacillus of, 334 

 Tumors, implantation of, 437 

 Twins, 239 



Tyndall, experiments on spon- 

 taneous generation, 26 

 Type, conformity to, 249 



