GENERAL INDEX 



349 



Trichia fallax, exogamy, 150 

 Trichocysts and trichites, 27 

 Trichomonas intestinalis, exogamy, 154 

 Trichonymphinea, classification, 48 

 Trichospherium sieboldi, exogamy, 154 

 Trichostomina, classification, 53 

 Triloculina, classification, 39 

 Trophonucleus, vegetative function, 28 

 Trypanophis grobbini, origin of undu- 

 lating membrane, 43 

 Trypanosoma agglomeration, 2G1 



borreli, 246 



changes in habitat, 175 



effects on host in sleeping sickness, 

 267 



equiperdum, cause of dourine, 196 



form changes, 257 



gambiense, 264 



stages in division, 90 



genus, 244 



grayi, encystment, 1SS 



lewisi, male forms, 163 



life cycle, 261 



list of species, 250 



motile apparatus, 253 



noctuac*, 247 



exogamy, 160 



nuclei, 255 



parthenogenesis, 162, 163 



raise, 45, 247 



reproduction, 260 



thcileri, 245 



Trypanosomatida, classification, 47 

 T rypanosomiasis, 267 

 Tsetse flies, 264, 26.~> 



fly and nagana, 199 



Tsetse fly and sleeping sickness, 199 

 Typhus fever and protozoa, 278 



ULTRAMICROSCOPIC protozoa, 210, 231 

 Undulating membranes, 234 

 Urceolinidse, classification, 55 

 Urea in infusoria, 83 



experiments of Griffiths, 83 

 Urocentridte, classification, 53 

 Uroglena Americana, 20 

 Urnulinidse, classification, 56 



VACUOLES, protoplasmic structure, 28 

 Valvulina, classification, 39 

 Vampyrella, classification, 38 

 Vertebralina, classification, 39 

 Virgulina, classification, 39 

 Vorticella campanula, food-getting, 73 

 Vorticellidse, classification, 55 

 Yorticellidinse, classification, 55 



YELLOW fever, 231 



Youth, maturity, and age in protozoa, 

 110 



ZOOMASTIGOPHORA, classification, 46 

 Zygoplast, 46 



