PROCEEDINGS 
OF THE 
CALIFORNIA ACADEMY OF SCIENCES 
FouRTH SERIES _ 
Vo. III, pp. 161-182 APRIL 5, 1912 
Geologic Range of Miocene Invertebrate Fossils 
of California 
BY 
JAMES PERRIN SMITH 
Stanford University, California 
“tar 
SAN FRANCISCO 
PUBLISHED BY THE ACADEMY 
1912 
