122 ANIMAL COMMUNITIES OF STREAMS 



TABLE XXIV 



MUSSELS or THE CALUMET-DEEP RIVER. ARRANGED IN ORDER OF LONGITUDINAL 

 SUCCESSION BEGINNING WITH THE UPPER PARTS OF THE 



RIVER AT AINSWORTH 



The letters indicate place of collection. A = Ainsworth; G = East Gary; 

 M = south of Miller, in the Little Calumet; and C = Clark, in the Grand Calumet. 



