Taxonomic Index 497 



Tribonema spp., 185 

 Trichoptera, 14, 299 

 Trichotanypus, 301, 307, 315 

 T. alaskensis, 300, 302, 305, 307 

 Trimyema, 311 

 Tubif ex sp., 300, 302 

 Turbellaria, 298, 302 



Uroglena, 14, 188, 222, 400 

 U. americana, 184 



Volvox aureus, 183 

 Vorticella, 311 



Xanthidium antilop eum, 184 



Zoster a marina, 135 



