GENERAL AND INTERIOR DISTRIBUTION 



1XXX1 



Interior Distribution of Illinois Fishes by River Systems 

 Species and Number of Collections of each — continued 



Placopharynx duquesnei 



Harelipped sucker 



Stone-roller 



Red-bellied dace 



Silvery minnow 



Hybognathus nubila 

 Black-head minnow. . . , 

 Blunt -nosed minnow 



Horned dace 



Opsopwodus emilia 



Golden shiner 



Bullhead minnow 



Notropis anogenus 



Notropis cayuga 



N. heterodon 



Straw-colored minnow . . 

 Notropis phenacobius . . . . 



N. gilberti 



N. illecebrosus 



Spot-tailed minnow 

 Redfin 



Districts 



O 



« 



20 

 4 

 6 

 3 

 8 



33 

 9 

 3 



18 



14 



4 



5 



22 



67 



162 



72 



49 



183 



110 



2 



29 



81 



108 



2 



15 



2 



133 



142 



10 



27 



11 



Sections 



10 



4 

 18 



1 

 + 

 25 

 14 



4 

 10 



2 



+ 



3 

 O 

 CO 



+ 



4 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 

 



+ 

 + 







+ 

 + 

 +• 

 + 



(f) 



