Tabl« 19. '-Montly reproductive conditkon of female fur aeals collected by U.S. research vessela in Unimak Pass in 1962 — 



Age in years 



9 10 11 12 13 14 15 16 17 18 19 20 21 22 



June 



Nulliparous 



Numb«r 



Primiparous 



Pregnant 



Numbe r 



Perceui 



Multiparoua 



Nonpregnant 



Number 



Pregnant 



Number 



Percent 



100 100 100 100 85.7 100 100 75 100 100 50 100 100 100 



July 



Null i parous 

 Number 

 Primiparoua 

 Nonpregnant 



Number 



Pregnant 



Number 



Percent 



Multiparous 



Nonpregnant 



Number 



Pregnant 



Number 



Percent 



88.9 100 100 100 85. 7 100 



August 

 Nulliparous 

 Number 

 Primiparous 

 Pregnant 

 Number 

 Percent 

 Multiparous 

 Nonpregnant 



Number 



Pregnant 



Number 



Percent 



100 100 100 100 



100 100 100 



.9 63.6 100 100 



85.7 75 100 



66.7 100 100 



Septefnber 

 Nulliparous 

 Number 

 Multiparous 

 Nonpregnant 



Number 



Pregnant 



Number 



Percent 



80 too 100 



63.3 50 100 



October 



Nulliparous 

 Number 

 Primiparous 

 Pregnant 

 Number 

 Percent 

 Multiparous 

 Nonpregnant 



Number 



Pregnant 



Nunnber 



Percent 



Total 



75 100 

 36 31 



100 

 20 



1_/ Pregnant class includes post partum females. 



2/ One seal of unknown age has been excluded from the total. 



3/ One seal of unknown reproductive condition excluded from the 6- and 16-year-old classes. 



4/ Two seals of unknown age excluded from the total. 



38 



