
Table 9.--Size of pup class in 1949 as derived from sample 
counts of pups with complete counts of harem bulls. 
Sy - *o——ae 




3 Pups-per-bull Number of 
| Number of 1 ratio (average Number of dead pup 
Rookery harem bull harem) pups born souibedet 
St. Paul Island 
Gorbatch 828 71.43 59,144 
Polovina* 294 71.43 £1,000* 1,779# 
Little Zapadni 518 48.59 25,170 
Reef 1,806 48.59 » 87,753 
Sivutch 1502/ 18.59 7,289 
Vostochni 1,572 48.59 76 , 383 
Zapadni. 960 48.59 46,646 
Zapadni Reef* 142 48.59 6,900* 575% 
Little Polovina* 203 £4..33 9, 000% 1, 600% 
Polovina Cliffs 512 44.33 — 22,697 
Morjovit 468 33.76 © 15, 800% 2, 600% 
Ardiguen 114 26.97 3,075 
Lukanin* 178 26.97 4.800% 635% 
Tolstoi 1,050 | 17.88 18,774 
Kitovix 509 17.88 9,100%# 800% 
Subtotal 9304 44.45 413,531 7,989 . 
St. George Island 
East Reef. 113 48.59° 5,491 
Staraya Artil 363 7 44.33 16,092 
Zapadni 274 AAe33: °.. 12,146 
East ‘Cliffs 222 26.97 5,987 
South 202... 26.97 5,448 
North 57. 17.88 10, 209 
Subtotal . 1,745 31.73 55 373 
Total, eo | 
both islands 11,04 £2.44 468,904 

1/ Counted 16-19 July 1949. 
2/ * Living and dead pups counted 9-1] August 1949 on the 6. rookeries. 
3f Estimated from aerial photos made on 15 July 1948. 
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