II 



INDEX. 



Page. 

 Genera and species referred to Continued. 



Gammarus 216, 217, 218, 221; 225, 226, 227, 230, 232, 233, 



235, 238 



robustus 216, 218, 219, 228, 229, 239 



Graphoderes fasciaticollis 230 



Gregarinas 216 



Haliplns 228, 230, 235 



Holopedium gibberum , 219,222,234 



Hydaticus 232 



Hydrachnidao ..218,220,228,239 



Hydra fusca 220,222 



Hydrophilida) 238,239 



Hydrophilus '. 217, 220 



Hydroporus 232,233 



Hygrotrechus 228.231 



Lacinularia socialis 214 



Leptodora 238 



hyalina 222,239 



Libellula '. 232 



Libellulida 217 



Libellulina? 230 



Limnsa 227, 228, 229, 232, 233, 238, 239 



Macrothrix 227,232 



Melaniidas 220 



Monostyla '.. 228 



cornuta 229 



ovata 256 



Naidomorpba 230 



Nelnmbium 256 



Nephelia 226,235,239 



4 strifita 219, 220 



maculate. . . .218, 220, 221, 226, 228, 230, 232, 234, 239 



obscura '- - . 216 



Neuronia 217,221 



Notonerta 217,218,219,231,232,233 



Nuphar 218,220 



Oligochasta 219,226 



Oscillaria 229 



Ostracoda 244-246 



Paludinida? 220 



Physa 217, 218, 219, 220, -J22, 226, 227, 228, 229, 233, 235, 



238, 239 



Phryganeida) 216, 233 



Pisidium . . . .217, 218, 219, 220, 222, 226, 229, 231, 232, 234, 235, 



238, 239 



Planorbin 220,229,232,233,238,239 



exacutuB 227 



Plumatella 238,239 



Podurida) 228,230 



Polyphemus , 218,227,228 



pedicnlns 216, 220, 222, 225, 228, 229, 232 



Polyzoa 220 



Potamogeton 215, 222 



Pristina lacustris 238 



Protozoa 256 



Page. 

 Genera and species referred to Continued. 



Rotifera 256 



Salmo mykiss 228 



Scapholeberis . . ., 238 



mucronatus 218, 225, 229, 230, 232 



Sida 238 



crystallina 220, 230, 231, 238, 239 



Simocephalus 220 



vetulus 227, 230, 231, 233 



Simulium 228,229 



Spha'riuni 232 



SpongiUa '. 217, 226, 232, 234 



fragilis 239 



Stentor , 230 



igueua 230 



var. fuliginosus 256 



Stylarialacustris 222 



Tabanida? 227 



Turbellaria 233 



Unionidse 220 



Valvata 220,228 



Vaucheria 222 



.Gardiner Lakelet 232 



Gardiner River System 231-233 



Ore be Lake 234-235 



Heart Lake 220-222 



Introductory 207 



Lake of the Woods 230 



Lewis Lake 218-220 



Madison River System 234-235 



Mary Lake 234 



Persons referred to : 



Birge.E. A 244 



Boutelle, F . A .* 210,211 



Brode, H. S 212 



Evermann, B. W 207,212,213 



Harwood, E. L 207 



Hofer, Elwood 208,211 



Jordan, David S 207 



Linton, EdVin 207, 208, 209, 218 



Lucas, E. R 210,231 



McDonald, Marshall 207 



Parchen.W.H 212 



Pelican Creek 227 



Shonhone Lake 214-218 



Small ponds, collections from. 232-233 



Snake River System 214-222 



Soda Butte Creek 229 



Swan Lake 231-232,239 



Trip of 1890 208-211 



Trip of 189) 212-213 



Twin Lakes 231 



Yellowstone River System 223-230 



Yellowstone Lake 223-229 



