138 



U. S. BUREAU OF FISHERIES 



Harem and idle hulls and percentage of idle hiillx to hareni hulls eompared to 

 average harem, Prihilof I.^landa, li)2.i — Continued 



AVERAGE HAREM 



On St. Paul Island the average harem in 1923 was 55.51 and on 

 St. George Island 78.38. For the whole herd it was 57.93. A 

 smaller number of small harems was seen in 1923 than in 1922. 

 Very few harems of one, two, or three cows were observed. 



Average harems in 1922 and J923 for all fur-seal rookeries on the Prihilof 



Islands 



Rookery 



Breeding 



cows in 



1923 



Harem 



bulls in 



1923 



-Average harem 



1923 



St. Paul Island: 



Kitovi 



Lukanin 



Oorbatch 



Ardiguen 



Reef... 



Sivutch 



Lagoon 



Tolstoi 



Zapadni 



Little Zapadni. 

 Zapadni Reef... 



Polovina 



Polovina Cliffs.. 

 Little Polovina. 



Morjovi_._ 



Vostoehni 



Total. 



St. George Island: 



North 



Staraya Artil.. 



Zapadni 



South 



East Reef 



East Cliffs 



Total 



Total (both islands). 



5, 248 

 3,458 



14, 597 

 1,049 



26, 508 



8,603 



263 



18,060 



17,049 



8,947 



316 



10,096 

 4,731 

 2,029 

 3 971 



44, 438 



169, 363 



10, 734 

 8, 191 

 1,312 

 320 

 1,938 

 5,801 



28,296 



197, 659 



127 



85 



209 



23 



400 



159 



7 



302 



294 



155 



10 



181 



111 



52 



95 



841 



3,051 



127 

 90 

 27 

 5 

 35 

 77 



361 



3,412 



41.32 

 40.68 

 69.84 

 45.59 

 66.27 

 54.11 

 37.54 

 59.80 

 57.99 

 57. 72 

 31.59 

 55.78 

 42.62 

 39.02 

 41.80 

 52.84 



55.51 



84.52 

 91.01 

 48.59 

 64.00 

 55.36 

 75.34 



78.38 



57.93 



37.56 

 36.92 

 64.46 

 41.83 

 59.89 

 47.73 

 34.13 

 53. 42 

 52.61 

 52.34 

 29.24 

 50.40 

 38.34 

 35.26 

 38.04 

 46.46 



49.90 



78.52 

 85.01 

 42.62 

 58.00 

 48.57 

 68.55 



71.50 



COMPLETE CENSUS 



The figures given below have been prepared from the best obtain- 

 able data. Counts were made of the harem and idle bulls, and pups 

 were estimated from the quite comprehensive information obtained 



