Page 

 FIGURES 



1. Percent 3- and 4-year-old male seals in cumulative kill, by island and round, Pribilof 

 Islands, Alaska, 1962 4 



2. Kill of male seals, by age and round, St. Paul Island, 1962 8 



3. Percent post partum tagged female seals sampled from the kill, by age, St. Paul Island, 

 13-17 and 20-24 August 1962 13 



4. Percent post partum female seals sampled from the kill, by date and age, St. Paul 

 Island, 6, 7, and 11-14 September 1962 17 



5. Tag and checkmark locations, fur seal pup tagging, Pribilof Islands, Alaska, 1947-62 . 22 



6. Measuring a "yearling" seal selected for tagging, St. Paul Island, 1962 26 



7. Tagging a seal selected as a yearling, St. Paul Island, 1962 26 



8. Distribution of body lengths among 839 selected yearlings, St. Paul Island, 1962 28 



9. Distribution of body lengths among 134 known-age yearlings, St. Paul Island, 1962 ... 28 



10. Body length comparisons of selected and known-age yearlings, St. Paul Island, 1962. . 28 



11. "V" notch checkmark made with veterinary earnotching instrument 32 



12. Variances in "V" notch checkmarks recovered from seals wearing tags 32 



13. "V" notch checkmark placed too far from flipper tip 33 



14. Slice type of checkmark 33 



15. Pup mortality-air temperature relationship, St. Paul Island 40 



TABLES 



1. Kill of male seals, by year class, Pribilof Islands, Alaska, 1947-60 5 



2. Male kill at various dates, by age, St. Paul Island, 1954-62 6 



3. Cumulative number of male seals killed, St. Paul Island, 1955-62 7 



4. Estimated increase in kill by extrapolation to 15 August, Pribilof Islands, Alaska, 1962 8 



5. Predicted and actual kill of male seals, Pribilof Islands, Alaska, 1962 9 



6. Harem and idle bull count, by rookery, Pribilof Islands, Alaska, 1962 10 



7. Year class contributions to kill of female seals, by age, Pribilof Islands, Alaska, 



1939-61 12 



8. Percent age composition of female seals sampled from the kills, Pribilof Islands, 

 Alaska, 1958-62 13 



9. Summary of reproductive condition of tagged female seals sampled from the kill, St. 

 Paul Island, 13-17 and 20-24 August 1962 14 



10. Summary of reproductive condition of tagged female seals sampled from the kill, St. 

 George Island, 3, 5, 13-17, and 20-23 August 1962 15 



11. Summary of reproductive condition of female seals sampled from the kill, St. Paul 

 Island, 6, 7, and 11-14 September 1962 16 



12. Annual variation in pregnancy rates of females sampled from the kills, Pribilof Islands, 

 Alaska, 1956-62 18 



13. Summary of tagged and tag-lost seals recovered from the kills, Pribilof Islands, Alaska, 

 July-August and September 1962 19 



14. Soviet tags recovered from the kills, Pribilof Islands, Alaska, 1962 20 



15. Fur seal pup tagging, Pribilof Islands, Alaska, 1962 21 



16. Seals tagged as yearlings in 1961 and recovered from the kill, St. Paul Island, 1962 . . 25 



17. Number of seals selected for yearling tagging, by sex and rookery, St. Paul Island, 1962. 27 



18. Sex ratios among selected and known-age yearlings, St. Paul Island, 1941 and 1961-62 . 27 



19. Recovery of yearling fur seals tagged as pups in 1961, St. Paul Island, 1962 29 



20. Homing tendency of yearling fur seals tagged as pups in 1961, by rookery, St. Paul 

 Island, 1962 30 



iv 



