XCll 



FISHES OF ILLINOIS 



Illinois as a whole. It includes, in fact, more than four fifths 

 of the species on our Illinois list, and the special features of the 

 various other basins and areas may best be seen by comparing 

 them with this characteristic central basin as a type. 



The following is a list of the species of the Illinois system 

 obtained by us in collections, arranged in the order of the 

 frequency of their appearance in 1,115 collections made from 

 that stream and its tributary waters. 



Species of the Illinois Basin, and Number of Collections 



containing each 



Species 



Collections 



Species 



Collections* 



Golden shiner 



Bluegill 



Blunt-nosed minnow 



Green sunfish 



Black bullhead 



Redfin {lutrensis) 



Large-mouthed black bass.. . . 



Spot-tailed minnow 



Tadpole cat , 



Black crappie 



Etheostomp, jessioe 



White crappie , 



Silverfin 



Orange-spotted sunfish 



Bullhead minnow 



Straw-colored minnow 



Channel-cat 



Common shiner 



Johnny darter 



Stone-roller 



183 

 179 

 162 

 158 

 144 

 142 

 135 

 133 

 132 

 130 

 119 

 119 

 116 

 112 

 110 

 108 

 108 

 105 

 100 

 99 



Common red-horse 



Gizzard-shad 



Brook silverside 



Silvery minnow 



Warmouth 



Shiner 



Yellow bullhead 



Pumpkinseed 



Notropis heterodon 



Sucker-mouthed minnow . . 



Yellow perch 



Striped top-minnow 



Horned dace 



Black-sided darter 



Common sucker 



Small-mouthed black bass . 



Blackfin 



Bla'ck-head minnow '. 



Common top-minnow 



Hogsucker 



90 

 89 

 89 

 86 

 83 

 82 

 82 

 82 

 81 

 78 

 75 

 75 

 72 

 70 

 69 

 69 

 67 

 67 

 66 

 61 



*A cross ( + ) in this column indicates the known occurrence of a species which is not repre- 

 sented in our collections from the Illinois basin. 



