PROCEEDINGS 
OF THE 
CALIFORNIA ACADEMY OF SCIENCES 
FourTH SERIES 
Vou. III, pp. 161-182 Apri 5, 1912 
GEOLOGIC RANGE OF MIOCENE INVERTEBRATE 
FOSSILS OF CALIFORNIA 
BY JAMES PERRIN SMITH 
Stanford University, California 
CONTENTS 
PAGE 
FAUNAL ZONES IN THE MIOCENE OF CALIFORNIA . ; ‘ AGS 162 
CHECK-List oF MIOCENE INVERTEBRATES OF CALIFORNIA . : i 170 
List oF SPECIES CONFINED TO THE LOWER MIOCENE . l s 7 177 
List oF SPECIES CONFINED TO THE Upper MIOCENE . 5 é : 180 
List oF MIOCENE SPECIES THAT ARE STILL LIVING : : ; 3 181 
April 2, 1912 
