

The Naiades of Missouri 



By 

 William I. Utterback, B.S., A.M., 



Author of "Mussel Resources of Missouri," (1914), and "Breeding 

 Record of Missouri Mussels," (1916a). 



Reprinted from The American Midland Naturalist, Vol. IV., 



Nos. 1 — 10, with Plates I— XXIX. 



(1915-1916). 



University Press 



Notre Dame, 



Indiana 



1916b 



