PROCEEDINGS 
. OF THE 
CALIFORNIA ACADEMY OF SCIENCES 
FourtH SERIES 
Vot. III, pp. 1-40 OctToBER 31, 1908 
A Further Stratigraphic Study in the 
Mount Diablo Range 
of California 
BY 
Frank M. ANDERSON 
Curator of the Department of Invertebrate Paleontology 
SAN FRANCISCO 
PUBLISHED BY THE ACADEMY 
1908 
