} 
1 
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“West American Shells 
FAMILIAR TERMS OF THE PRINCIPAL 
A DESCRIPTION IN 
MARINE, FRESH WATER AND LAND MOLLUSKS OF 
THE UNITED STATES FOUND WEST OF THE 
ROCKY MOUNTAINS, INCLUDING 
THOSE OF BRITISH COLUM- 
BIA AND ALASKA 
ORES TELO SI RA TED) 
Also a Classified Reference List of the species and varieties known 
to exist within the above limits 
By 
JOSIAH KEEP, A. M. 
PROFESSOR OF NATURAL SCIENCE 
MILLS COLLEGE 
Che Whitaker & Ray Co 
(Incorporated) 
PAUP BLAS ye EYRaS 
San Francisco 
1904 
EMITHSONIARy 
MAY 12 1988 
LIPRARIES_, 
ere 
