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=Libertyville (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 Scientific Name Location 
Cravhishin nen eerie: Cambarus virilis Hag........ L Cc 
Srailbyae eter t teasers Lymnaea humilis modicella Say| L 
Dragon-fly nymph. ...| Basiaeschna janata Say....... 1b; 
Siraleee niece tack: Ancylus tardus Say.........- 1L: 
Siavaills eo mec errata Ancylus rivularis Say........ c 
UO rayAIShine, veperne sveusieiey Cambarus propinquus Gir.....| L D W 
Gravtisharr eee eit: Cambarus diogenes Gir....... C 
IMEUISSE LP nies. creas ae ct Anodonta grandis Say........ D W 
IMISSELEN Sains crstscce as Anodontoides ferussacianus Lea Cc 
IN Vieicts a tos eae Quadrula undulata Bar....... D W 
IMGISse le Sariraavoe sietsle etek: Lampsilis luteola Lam........ D W 
sive vie irersieta) tsltelers rel Musculium truncatum Lins... . D W 
Simi eioce pecoume nee Gonitobasis livescens Mke...... | D W 
MIISSEl Serer cycrae etl oes Alasmidonta calceola Lea..... D 
STAI sera sie seis veo. Amnicola limosa Say........- D C 
Sraiilspeersiis puerecierrere Planorbis bicarinatus Say..... D 
Snails recur IPLYS@ENTINGSAYe me ool): = - (c 
IMI ISSe li) Soe 0 metas: ave Lampsilis ellipsiformis Con... D (6: 
SHOE | LF mex eaeeres caramel Se Pleurocera subulare intensum 
(ATG ence tate tebe tcc er stekesa eaace R D 
Snailkyy ase ae erste Pleurocera elevatum Say...... C 
Stone-fliess ge jac. - 6 Perlaisprtnnes tte once ae eek R € 
Dobsont ess creel Corydalis cornuta Linn....... R 
Amiphipodeeyee serie Hyalella knickerbockeri Bate... 
Caddis-worm......... HiVdropsucheseseeacie avert R C 
WSOpGG. Wtawie. ascii Asellus communis Say........ 
Damselsly nymphs..-|| Arse Sp... so .c- 2 s5- cn eacn R 
Dytiseid) s/7.8%\.-1-5.- :.| Hydroporus vittaius Lec....... 
IN@Witia a e-f-cns c.cis torre oor Diemictylus viridescens Raf... . R 
Rolyzoamls je ceisee = JAANE Soe sa soosadasce (e 
PATmagere oe tae aie tate UNIS SA rn Ae yee sto C 
Caddis-worm......... LEU COPSNGHEISD ies sere ei ters C 
NBCCC persia eteisis Sie cian Haemopis grandis Verrill..... C 
Caddis-worm........ IA MGs 600 poe Baan aoe C 
Stalidracs asic esos sone S7alisSpereroe eee ce ore C 
SpOmenGe co. e rss. Sphaerium stamineum Con.... D C 
Burrowing dragon-fly 
MYM cheese wee Gomphus exilis Selys......... Cc 
