FUE-SEAL CENSUS, PRIBILOP ISLANDS, 1917. 123 



Surplus bulls: 



Breeding Inills in 1916 6, 132 



Deduct 12^ per cent for old age Ir sj 766 



1916 bulls in 1917 5, 366 



Total bulls in 1917 7,556 



Deduct 1916 bulls in lot 5, 366 



Increment of young bulls in 1917 2, 190 



6-year-old males in"l916 11, 167 



Deduct increment going into breeding bulls rlr,ss, 1917 2, 190 



Surplus bulls Aug. 10, 1917 8, 977 



RECAPITULATION. 



Pups 128, 024 



Breeding cows 128, 024 



Harem hulls 4, 850 



Idle bulls 2, 706 



Yearling females 38, 018 



Yearling males 38,013 



2-year-old females 26, 917 



2-year-old males 26, 815 



3-year-old males 19, 507 



i-y ear-old males 16, 631 



5-year-old males 14, 813 



6-year-old males 15, 397 



Surplus bulls 8, 977 



Total, all seals 468, 692 



