STREAM ANIMALS 



121 



TABLE XXIII 

 Animals of the DesPlaines, Chicago, and DuPage Rivers 

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

 L = Liberty ville (still-silt); W = Wheeling (mud-gravel) ; D = DuPage; R = Riverside 

 (swift-stones). Libertyville is the farthest upstream, and the other situations follow 

 in the order named. C = Chicago River at Edgebrook, which is added without 

 regard to longitudinal order. 



Common Name 



Crayfish 



Snail 



Dragon-fly nymph. . 



Snail 



Snail 



Crayfish 



Crayfish 



Mussel 



Mussel 



Mussel 



Mussel 



Bivalve 



Snail 



Mussel 



Snail 



Snail 



Snail 



Mussel 



Snail 



Snail 



Stone-flies 



Dobson 



Amphipod 



Caddis- worm 



Isopod 



Damsel-fly nymph. . , 



Dytiscid 



Newt 



Polyzoan 



Parnid 



Caddis- worm 



Leech 



Caddis-worm 



Sialid 



Sphaerid 



Burrowing dragon-fly 

 nymph 



Scientific Name 



Cambarus virilis Hag 



Lymnaea humilis modicella Say 



Basiaeschna janata Say 



Ancylus tardus Say 



Ancylus rividaris Say 



Cambarus propinquus Gir. . . 



Cambarus diogenes Gir 



Anodonta grandis Say 



Anodontoides ferussacianus Lea 



Quadrula undulata Bar 



Lampsilis luteola Lam , 



M us culium truncatum Lins. . . , 



Goniobasis livescens Mke , 



Alasmidonta calceola Lea. 



Amnicola limosa Say , 



Planorbis bicarinatus Say .... 



Physa gyrina Say 



Lampsilis ellipsiformis Con . . , 

 Pleurocera subulare intensum 



Ant 



Pleurocera elevatum Say 



Perla sp 



Corydalis cornuta Linn 



Hyalella knickerbockeri Bate. . . 



Hydro psyche 



Asellus communis Say 



Argia sp 



Hydroporus vittalus Lee 



Diemictylus viridescens Raf . . . . 



Plumatella sp 



Elmis 



Helico psyche sp 



Haemopis grandis Verrill 



Phryganeidae 



Sialis sp 



Sphaerium stamineum Con. . . . 



Gomphus exilis Selys 



Location 



D 



C 

 W 

 C 



w 



C 



w 

 w 

 w 

 w 



