GROWTH AND REPROD 



^N.A. North Atlantic; N.P. ^ North Pacific; S = Southern hemisphere; 

 B= Black Sea; I = India. 



^ Maximum in June-July. Laws reports that the average birth-day of first-born 

 calves is liist July, and of subsequent calves 8th June. A small number of calves 

 are concei\ed and born in Nov. -Dec. 



' Varying from 3-8 years. 



