UNIVERSITY OF CALIFORNIA PUBLICATIONS 
ZOOLOGY 
WILLIAM EMERSON RITTER 
AND 
CHARLES ATWOOD KOFOID 
EDITORS 
VOLUME XIV 
WITH 60 PLATES 
4 S , 
/ me A yD 1091 
( MARL 1921 
YVI4G6 
“Stignail Mus® 
a 
UNIVERSITY OF CALIFORNIA PRESS 
BERKELEY 
1914-1918 
