by 
an 
JOH 3 
HARY ARIS HINIVERSITVTY. 
ids Ar YY 
OF THE 
a5 
MUSEUM OF COMPARATIVE ZOOLOGY. 
ei 1d Gl) 
GIFT OF 
ALEX. AGASSIZ. 
Ved kom bok. L 3 [876 —Hamuary g [$99 
(/ Ce. 
U 
/ pe 
