No. Page 



33. Estimated number of yearling male seals, and the ratio of the kill at ages 3 and 4 



on St. Paul Island to the number of yearling male seals, year classes 1961, 1962, 



and 1964 25 



34. tlstimated number of yearling male seals, year classes 1961, 1962, 1964, and 



1965, from tag recoveries at age 2, and the kill of 3-year-old male seals, St. 



Paul Island 27 



35. Forecast of the kill of male seals in 1969, by age, Pribilof Islands, Alaska 27 



36. Forecasted and actual kill of male seals, Pribilof Islands, Alaska, 1968 27 



37. Number of days between tagging and recovery of tags applied to male seals, St. 



Paul Island, 24 June to 18 July 1968 28 



38. Recoveries in 1968 of male seals tagged on St. Paul Island, 24 June to 18 July 1968 



according to hauling ground 29 



39. Age composition of four groups of adult male seals from hauling grounds, St. Paul 



Island, 1967 30 



40. Mean length and weight of body and mean weight of testes of 100 adult male seals 



from hauling grounds, by age, St, Paul Island, 1967 30 



41. Measurements of territorial and nonterritorial male seals of selected ages, St. 



Paul Island 31 



42. Age and sex, by month, of fur seals collected pelagically by the United States in the 



eastern Pacific, 1967-68 46 



43. Tag recoveries from fur seals collected pelagically in the eastern North Pacific by 



the United States in November and December 1967 and January, February, May, 



June, July, and August 1968 47 



44. Months of collection and number of female seals age 5 and older collected by the 



United States in the eastern Pacific, 1958-66 48 



45. Pregnancy rates by year, area, and month of collection, and chi-square values for 



tests of pregnancy rates between areas in 1958, 1960-62, and 1964 49 



46. Pregnancy rates, by area and month of collection, and chi-square values for tests 



of pregnancy rates, between years, 1958-66 50 



47. Number of female seals collected pelagically by the United States in the eastern 



Pacific and (in parentheses) percentage pregnant, 1958-68 51 



48. Stomach contents of fur seals collected pelagically by the United States off Wash- 



ington, 1967-68 52 



49. stomach contents of fur seals collected pelagically by the United States off South- 



eastern Alaska, 1968 58 



50. Stomach contents of fur seals collected pelagically by the United States in the Gulf 



of Alaska, 1968 58 



51. Stomach contents of fur seals collected pelagically by the United States off western 



Alaska, 1968 59 



52. Stomach contents of fur seals collected pelagically by the United States in the 



Bering Sea, 1968 60 



53. Total stomach contents of fur seals collected pelagically by the United States off 



Alaska, 1968 61 



No. 



Appendix A tables 



1. Age classification of male seals killed on St. Paul Island, 26 June to 2 August 



1968 70 



2. Cumulative age classification of male seals killed on St, Paul Island, 26 June to 2 



August 1968 71 



3. Age classification of male seals killed on St. George Island, 26 June to 5 August 



1968 72 



4. Cumulative age classification of male seals killed on St. George Island, 26 June to 



5 August 1968 73 



5. Number of female seals killed, by age, St. Paul Island, 26 June to 16 August 1968 . . 74 



6. Percentage age classification of female seals in sample, St. Paul Island, 26 June to 



16 August 1968 75 



7. Cumulative numbers of female seals killed, by age, St. Paul Island, 26 June to 16 



August 1968 76 



8. Cumulative percentages of female seals killed, by age, St. Paul Island, 25 June to 



16 August 1968 77 



vii 



