INDEX OF SUBJECTS 



347 



Trichostomata, 22. 

 Trichostomina, 207. 

 Trigonomonas, 138. 

 Trimastigidae, 138. 

 Trimastix, 138. 

 Trinema, 106. 

 Tripocalpidae, ill. 

 Tripocyrtidae, ill. 

 Tritaxia, 108. 

 Trochammina,^ 107. 

 Trochammininae, 107. 

 Trochilia, 207. 

 trophoplasm, 274. 

 TropidoscypkuS) 139. 

 Truncatulina, 109; shell, 305. 

 Trypanosoma, 137. 

 Tubulata, 18. 

 Tuscaroridae, ill. 

 Tympanidae, HO. 



Urceolarinae, 209. 



Urceolus, 138. 



urea, 54, 291. 



Urnula, 210. 



Urnulidae, 210. 



Urocentridse, 207. 



Urocentrum, caudal cilia, 182; vacuoles, 

 187; classification, 207. 



Uroglena, 25; odor, 62; fig. p. 57; colony- 

 formation, 129; division of the colony, 

 131; classification, 139. 



Urolepttis, 209. 



Uronema, 207. 



Uronychia, 209. 



Urophagus, 138. 



Urosoma, 209. 



Urospora, 1 68. 



Urostyla, 209; nucleus, 251. 



Urotricha, 206. 



Urozona, 207. 



Urthiere, 28. 

 Uvigerina, 1 08. 



Vacuolaria, 139. 



vacuoles, in Sarcodina, 87; in Mastigophora, 

 127; in Infusoria, function, 291. 



Vaginicola, 209. 



Vaginulina, 108. 



Valvulina, 108. 



Vampyrella, pseudopodia, 82; encystment, 

 90; division, 92; conjugation, 98, 104; 

 classification, 109; food-selection, 305. 



Verjungung ; see rejuvenescence. 



Verneuilina, 108. 



Virgulina, 108. 



Volvocina, 139. 



Volvox, 26, 57; colony-formation, 129; re- 

 production, 134; classification, 140; con- 

 jugation, 232. 



Vorticella, chlorophyl, 174; origin of, 202; 

 nematocysts, 176; myonemes, 178; clas- 

 sification, 209; urea, 291. 

 Vorticellidse, origin of, 202; classification, 



209. 

 Vorticellidinae, 209. 



Wagnerella, 109. 

 Webbina, 107. 

 Wimperring, 179. 



Zonaridas, 1 10. 

 Zooglcea, 28. 

 zoophyte, 25. 



Zoothamnium, conjugation, 195, 222; clas- 

 sification, 209. 

 Zygartidae, no. 

 Zygocystis, 168. 

 Zygoselmis, 138. 



zygospore, in Mastigophora, 133. 

 Zygospyridge, no. 



