STREAM ANIMALS 



123 



TABLE XXV 

 Animals from a Sluggish Portion of Fox River 

 The meaning of the letters in the column headed "Location" is as follows: 

 Gm = gravel in mid river in eight feet of water; G = gravel near shore; S = sand; 

 M = mudorsilt; V = vegetation. 



Common Name 



Scientific Name 



Location 



Snail 



Mussel 



Mussel 



Mussel 



Red midge larva . 

 Green midge larva 

 Caddis- worm. . . . 



Polyzoan 



Dragon-fly nymph 



Crayfish 



Snail 



Snail 



Mussel 



Mussel 



Mussel 



May-fly nymph . . 



Fly larva 



May-fly nymph. . 



Amphipod 



May-fly nymph . . 



Beetle 



Sialid larva 



Snail 



Water-boatman. . 

 Water scorpion. . . 



Amphipod 



Bug 



Parnid 



Creeping bug 



Back-swimmer. . . 

 Dragon-fly nymph 



Leech 



Top minnow 



Snail 



Goniobasis livescens Mke 

 Anodonta grandis Say. . 

 Lampsilis ligamentina Lam 

 Quadrula undulata Bar. 



Chironomus 



Chironomus 



Hydro psyche 



Plumatella 



Macromia taeniolaia Ram. 

 Cambarus propinquus Gir. 

 Campeloma integrum DeK. 

 Pleurocera elevatum Say. . . 



Unio gibbosus Bar 



Quadrula rubiginosa Lea. . 

 Lampsilis luteola Lam. . . . 



Hexagenia 



Slratiomyia sp 



Callibaetis sp 



Hyalella knickerbockeri Ba. 



Caenis sp 



Donacia 



Chauliodes sp 



Physa inlegra Hald 



Corixa sp 



Ranatra fuse a Beau 



Gammarus fasciatus Say. . 



Zaitha fluminea Say 



Elmis 4 notatus Say 



Pelocoris femoratus Pal 



Beauv 



Notonecta variabilis Fieb . . 

 Ischnura veriicalis Say.. . . 

 Glossiphonia fusca Castle . 

 Fundulus diaphanus 



menona J. and C 



Planorbis bicarinatus Say. 



Gm 

 Gm 

 Gm 

 Gm 

 Gm 

 Gm 

 Gm 

 Gm 



M 



