Leviathan. 
233 
to the Gallapagos Islands ; the “ Oft Shore 
Ground ” the space between lat. 5 deg. S., and 
long. 90 deg. and 120 deg. W.; and the “ Middle 
Ground ”—that between Australia and New 
Zealand, and there are other grounds—the east 
and west coasts of New Zealand, and across the 
South Pacific between 21 and 27 deg. of S. lat. 
The right whale fisheries are in the higher 
latitudes in both hemispheres, which are the 
feeding grounds, but as the winter approaches, 
the cows resort to the bays to bring forth their 
young, where they remain until the spring 
months, when they again meet the bulls. Polack, 
writing of sperm whales, says, “ These fish are 
gregarious, and migratory in their movements, 
seldom frequenting the same latitude in an 
ensuing season, and whalemen who have pro¬ 
cured a cargo in one season, have often been 
minus of oil by adhering to the same place in 
the following year. No experienced South 
Seaman will calculate for a certainty where he 
will fill his ship. Those that have acted accord¬ 
ing to predetermination have returned to the 
port they sailed from with scarce sufficient to 
pay expenses.” 
In the “ twenties ” whaling had considerably 
