-Ot- 
Table 15.--Life table for female seals. 
[Underlined figures represent counted or closely estimated basic data] 


Seals alive at Seals dying naturally Pregnancy 
VY Vernacular poet nn Ane of year dyrying year « rate Number of seals 
Age nane Numberé Percen Number Percent?’ Percent bearing pups 
0 Pups 265 ,000 100.0 159, 000 60.0 
1 Yearlings 106,000 40.00 30,005 28.3 
2 Cows, virgin 73,405 27.7 5,872 8.0 
3 . . 67,533 25.5 4,052 6.0 
4 n mature 63,481 23.9 3,174 5.0 af 4,444 
5 " 4 60 , 307 22.8 3,015 5.0 57 34,375 
6 " ' 57 5292 21.6 2,865 5.0 82 46,979 
7 " 7 54,427 20.5 2,721 5.0 82 44,630 
8 " n 51,'706 19.5 2,585 5.0 82 42,399 
9 " tt 49,121 18.5 2,456 5.0 82 40,279 
10 " tt 46,665 17.6 2,333 5.0 82 38 , 265 
Over 10 7 " 376,526 46,922 12.5 Th 278,629 
Total 1,271, 463 265,000 530,000 
Age in years from the beginning of the pupping season, 15 June. 
For the purpose of calculations, the entire pup class is assumed to be born instantly on 15 June. 
Percent of the original newborn stock. 
Including several mndred accidentally killed. 
Sg ae 
Percent of those alive at beginning of year. 

