
Table 10.--Size of pup class in 1949 as derived from sample counts 
of pups with ground-area measurements. 
Ground-area, Vy Square meters Number of, 
Rookery (square meters) per pup masa: boca’ 
St. Paul Island 
Gorbatch 19,040 0.4019 47,375 
Polovina* 3,440 0.4019 21,000% 
Little Zapadni 16,403 0.4472 36,679 
Reef 42,136 0.4472 94,222 
Sivutch 7,621 0.4472 17,041 
Vostochni 51,552 0.4472 115,277 
Zapadni 26, 580 0.4472 59,436 
Zapadni Reef 3,086 0.4472 6,900% 
Little Polovina* 5,402 0.6002 9 ,000* 
Polovina Cliff's 18,261 0.6002 30,425 
Ardiguen 2,236 0.7458 2,998 
Lukanin* 3,580 0.7458 4,800* 
Tolstoi 28,066 1.1766 23,853 
Kitovi* 10,707 1.1766 9,100* 
Morjovi* 26, 359 1.6683 15, 800% 
Subtotal 269,469 0.5456 493,906 
St. George Island 
East Reef 3,284 0.4472 7,343 
Staraya Artil 14,666 0.6002 24,435 
Zapadni 9,597 0.6002 15,990 
East Cliffs 5,932 0.7458 7,954 
South 4,322 0.7458 5,795 
North 24,080 1.1766 20, 466 
Subtotal 61,881 0.7548 81,983 
Total, both 
islands 331,350 0.5754 575,889 

1/ Calculated from 


aerial photos made on 13-15 July 1948. 


2/* Living and dead pups counted 9-11 August 1949 on the 6 sample 
rookeries. 
