GENERAL AND INTERIOR DISTRIBUTION 



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The following list and table gives the details of the distribution of 

 the species in a way to show the number of c&llections of each species 

 made by us from each district. A cross opposite a species name indi- 

 cates that the species occurs in the basin mentioned at the head of 

 the column, but that it is not represented by preserved collections 

 affording numerical data. 



Interior Distribution of Illinois Fishes "by River Systems 

 Species and Number op Collections op each 



