| A 
DESCRIPTIVE CATALOGUE 
NAIADES, OR PEARLY FRESH- 
WATER MUSSELS 
BY 
23362 
CHARLES TORREY SIMPSON 6.31 
PART II 
UNIONIDA, 
UNIO — NODULARIA . 
Division 
Seer HOC 
BRYANT WALKER 
DETROIT, MICHIGAN 
1914 
MAY 03 1988 
LIBRARIES 
