I I 1-15 August 
0= 16-31 Aflgust 
0 = 0 birds 
® = 1-10 
u 
0=11-25 " 
0=26-50 '• 
=51-100 11 
WHITE-BUMPED STORM PETRELS 
( Oceanodrcana leuo c rhoa + 0* castro ) 
At-Sea Distribution and Abundance 
® =101-500** AUGUST 
