APR 29 1924 
l> 3. 
T8ANVKMED W 
’W'EUM OF COMPARATIVE ZOOLOGY 
1 E f i t i 
THE 
JOURNAL 
OF THE 
COLLEGE OF AGRICULTURE, 
: '!-:hV, ; i 
TOHOKU IMPERIAL UNIVERSITY, 
SAPPORO, JAPAN. 
VOL. IV. PART VII. 
w fä \> g t s ^ H 
SAPPORO. 
