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At Kure seals were counted on the beaches of Green Island at inter¬ 
vals of one to two weeks, and occasionally more frequently, between 
October 1963 and July 1965. The 3.5 mile beach was marked at 100 yard 
intervals so that individuals could be quickly located with reference 
to these markers. In addition to these regular censuses Survey and 
Coast Guard personnel frequently walked portions of the beach, gaining 
additional information from tagged seals. 
RESULTS 
Populations - The distribution by age, sex, and locality of the 
375 seals tagged by the Survey is presented in Table 1. The majority 
of these animals, 149 adults or subadults (hereafter referred to as the 
adult group), and 56 pups, were tagged at Kure Atoll, and 94 adult group 
o o 
seals were tagged at Pearl and Hermes Reef (27 4® N Lat, 175 4® W Long). 
All but three of the pups tagged at Kure are known age animals. 
Nine of the adult group tagged at Kure were seen only in the month 
they were tagged, but four of these animals were not tagged until March 
1965. There are 1929 subsequent observations available on the remaining 
140 animals, including two subsequently found on other atolls in the 
Leewards. A maximum of 62 observations is available for one individual, 
but some were seen only once subsequent to tagging. 
Between October 1963 and July 1965 Survey personnel made 70 counts 
of the seals present on the entire beach at Kure (Table 2)« These counts 
normally took about two hours, and every effort was made to avoid fright¬ 
ening animals off the beach so that they would not be counted a second 
time. In addition there were 13 counts of the seals on the sandspits 
