ALASKA FISHERY AND FUR-SEAL INDUSTRIES, 1924 



167 



9.14 to 11.09. About 20 per cent idle to harem bulls would be the 

 ratio to produce the best results. 



Four dead bulls were seen during the harem count. 



Average harems in 1923 and 1924 for all fur-seal rookeries on the Pribilof Islands 



The average harem on various rookeries shows a great variation in 

 size. It ranges from 29.67 on Lagoon rookery to 106.81 on Staraya 

 Artil. The largest average harem on rookeries where pups were 

 counted was 72.14 on East Reef. On this rookery the average harem 

 increased from 55.36 in 1923 to 72.14 in 1924, while Polovma rook- 

 ery decreased from 55.78 in 1923 to 43.74 in 1924. The average 

 harem on St. Paul Island dropped from 55.51 in 1923 to 55.17 in 

 1924, but that on St. George Island increased from 78.38 in 1923 to 

 92.21 in 1924. For the whole herd the average harem increased 

 from 57.93 in 1923 to 59.27 in 1924. 



COMPLETE CENSUS 



The following shows in summarized form the method of arriving at 

 the complete census for 1924 and gives a recapitulation of the herd. 

 It will be noted that the increase in the total number of seals in 1924 

 over 1923 was 44,150, or 6.76 per cent. The increase in 1923 over 

 1922 was 48,046, or 7.94 per cent. 



53896— 25t 8 



