CONTENTS. 



Introductory 



The Cumberland River 



General description 



Physiography 



Comparison with the Maumee and Kankakee Rivers 



Characteristics of the mussel fauna 



Geographical distribution 



Contrast between the river above and below the falls. 



Faunistic divisions below the falls.. 



First section — Cumberland Falls to Celina, Tenn. 



Second section — Celina to Nashville, Tenn 



Third section — Nashville to Dover, Tenn 



Fourth section — Dover, Tenn., to Smithland, Ky, 



Tabular statement of distribution of species 



Relative abundance of different species 



Summary of distribution 



Notes on various stations 



Upper river and its tributaries 



River below the falls and its tributaries 



Character of water of the Cumberland River 



Commercial value of Cumberland shells 



Breeding season of Cumberland mussels 



Pearls and pearling 



Discussion of mussel species 



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