ALASKA FISHERY AND FUR-SEAL INDUSTRIES, 1924 169 



Complete census of fur seals, Pribilof Islands, as of August 10, 1924 — Continued 



Class 



St. Paul 



St. George Total 



Surplus bulls, 7 years old and over, estimated: 



6-year-old males, Aug. 10, 1923 



6-year-old males killed fall 1923 



6-year-old males end of 1923 



Natural mortality, 20 per cent.. 



7- year-old males beginning 1924. 

 7-year-old males killed 1924 



7-year-old males, Aug. 10, 1924. 



Surplus bulls, -\ug. 10, 1923 



Natural mortality, 30 per cent. 



Remaining surplus for 1924 



Breeding bulls of 1923. 



Natural mortality, 30 per cent. 



1923 bulls remaining 1924 



Breeding bulls, 1924 



1923 bulls remaining, deducted. 



Increment of new bulls in 1924. 



7-year-old males computed for 1924. 

 Surplus bulls computed for 1924 



Total theoretical surplus bull stock, 1924 — 

 New increment of breeding bulls deducted. 



Surplus bulls in 1924 



50 per cent deducted for losses due to fighting, natural causes, and 

 errors iu loss percentage in previous years .- 



Surplus bulls, Aug. 10, 1924 



Pups 



Cows 



Harem bulls 



Idle bulls-. .- 



Yearling females.. 



Yearling males 



2-year-old females. 

 2-year-old males.. 

 3-year-old males.. 

 4-year-old males.. 

 5-year-old males .. 

 6-year-oId males.. 

 Surplus bulls 



Total, 1924. 



Total, 1923 



Numerical increase, 1924. 

 Per cent increase, 1924. .. 



4,603 

 



4,603 

 921 



3,682 ! 







3,051 

 916 



2,136 



3,127 

 2,136 



991 



3,682 

 1,124 



4,806 

 991 



3,815 

 1,907 



1,! 



172, 528 



172, 528 



3,127 



375 



55, 043 



50, 802 



43, 892 



39,011 



19,314 



16, 730 



4,801 



7,880 



1,908 



587, 939 



260 

 



260 

 52 



208 

 1 



361 

 108 



389 

 253 



207 

 200 



407 

 136 



271 

 136 



135 



35, 868 



35, 868 



389 



15 



9,197 



8,489 



7,467 



6,674 



2,237 



1,940 



331 



609 



135 



109, 219 



4,863 

 



4,863 

 973 



3,412 

 1,023 



2,389 



3,516 

 2,389 



1,127 



3,889 

 1,324 



5,213 

 1,127 



4,086 

 2,043 



2,043 



208, 396 



208, 396 



3, 516 



390 



64, 240 



59, 291 



51,359 



45, 685 



21,551 



18, 670 



5,132 



8,489 



2,043 



697, 158 



653, 008 



44, 150 



6.76 



o 



