CONTENTS. 
Page. 
Introduction 5 
Statistics of killing 7 
St. Paul Island 7 
St. George Island 8 
Total sealskins shipped 10 
Observance of regulations 10 
Weights of skins 10 
Rejections from drives 12 
Reservation of bachelors for breeding 14 
Question of close killing 15 
Maintenance of quota 17 
Annual catches since 1903 17 
Analysis of conditions 18 
Summary and interpretation of conditions 21 
Effect of saving 2-year-olds 22 
Reduction of bachelor reserve , 24 
Ratio of bachelors to whole herd 24 
Numerical status of seal herd 27 
Counts of harems and bulls 27 
Purpose of breeding reservation 29 
Increase of bulls through reservations 30 
Size of reservation to effect increase in bulls . 32 
Change in harems by rookeries 33 
Counts of pups and average harem 34 
St. Paul Island 34 
St. George Island 35 
Number of breeding cows 36 
Con tras twithl908 37 
Different bases of estimation . 37 
Conclusion as regards breeding cows 39 
Nonreturn of cows after disturbance 40 
Census of seal herd 40 
Estimate of half bulls 40 
Estimate of young seals 41 
Statistics of seal life in 1909 41 
Dead pups 42 
Effect of pelagic catch on land catch 43 
Foxes 45 
St. George Island 45 
St. Paul Island ........... 46 
3 
