FIGURES 



No. Page 



1. Location of rookeries and hauling grounds, St. Paul Island 3 



2. Location of rookeries and hauling grounds, St. George Island „ 4 



3. Kill of 3- and 4-year-old male seals, by 5-day periods, St. Paul Island, 27 June to 5 



August 1967 5 



4. Kill of 3- and 4-year-old male seals, by 5-day periods, St. George Island, 26 June 



to 4 August 1 967 5 



5. Pup mortality, study areas 1 and 2, Reef Rookery, St. Paul Island, mid-July 1967 ... 7 



6. Pup mortality, study area 3, Northeast Point Rookery, St. Paul Island, mid- July 1967. . 8 



7. Pup mortality, study area 1, Reef Rookery, St. Paul Island, 1964, 1966, and 1967 10 



8. Examples of mark locations that have been used on fur seals, Pribilof Islands, Alaska . 12 



9. Freeze-branded pup, Zapadni Reef Rookery, St. Paul Island, 11 October 1967 13 



10. Relation between birthweights and subsequent weights of three pups fed formula with- 



out added selenium, vitamin E, methionine, and glycerin, St. Paul Island, 9 July 



to 1 3 August 1967. The letters identify the individuals 24 



11. Relation between birthweights and subsequent weights of three pups fed formula 



with selenium, vitamin E, methionine, and glycerin added, St. Paul Island, 9 July 



to 1 3 August 1967. The letters identify the individuals 24 



12. Number of seals seen per hour of effort, in each square (areal unit) occupied by a 



research vessel in January 1967, off Washington. The sides of each square 

 measure 18.5 km. (10 nautical miles). Squares occupied for less than 0.5 hour are 

 marked "X." See table A-2 for detailed data 30 



13. Number of seals seen per hour of effort, in each square (areal unit) occupied by 



a research vessel in February 1967, off Washington. The sides of each square 

 measure 18.5 km. (10 nautical miles). Squares occupied for less than 0.5 hour are 

 marked "X." See table A-3 for detailed data 31 



14. Left: Trackline of M/V John N. Cobb during cruise for observation of fur seals, 



22 August to 6 September 1967. Right: Trackline of M/V Yaquina during observa- 

 tions of 25-29 August and 15-22 September 1967. Fur seal sightings (two) are 

 shown by® 34 



15. The four major food items in stomachs of fur seals collected off Washington, by 



percentage of total food volume, 1958-67. (Figures in parentheses indicate number 



of stomachs collected.) 41 



16. Locations where fur seal stomachs collected off Washington in 1967 contained 



Thaleichthys pacificus (5 occurrences); Alosa sapidissima (7 occurrences); 



and Clupea harengus pallasi (15 occurrences) 43 



17. Locations where fur seal stomachs collected off Washington in 1967 contained 



Engraulis mordax (8 occurrences); Salmonidae (18 occurrences); and Sebastodes 



spp. (5 occurrences) 43 



18. Locations where fur seal stomachs collected off Washington in 1967 contained 



Loligo opalescens (47 occurrences) 44 



19. Area of operation and fishing villages visited by the Tenyu Maru off northern Japan, 



14 April to 10 May 1967 47 



20. Tenyu Maru, Japanese vessel used for pelagic fur seal research in 1967 48 



21. Helmsman at tiller of the Tenyu Maru 49 



22. Hunter giving arm signals to helmsman as the Tenyu Maru quietly approaches a 



resting seal 49 



23. Vessel approaching sleeping seals 50 



24. Fur seal being weighed with graduated beam scale 51 



25. Skinning fur seal aboard the Tenyu Maru 51 



26. Washing and cooling fur seal skin 52 



27. Pressing brine water from sealskin before salting 52 



28. Sealskins being salted and folded before packaging in plastic and burlap bags 52 



29. Bundled sealskins ready for shipping to processing plant 53 



30. Removal of blubber from sealskins. (Note buckshot damage to skin.) 53 



31. Sealskin with blubber removed 53 



TABLES 



1. Unadjusted and adjusted kill of male seals, Pribilof Islands, Alaska, 1967 2 



2. Kill of male seals, by year class, Pribilof Islands, Alaska, 1947-65 5 



