THE FISHES OF ALASKA. 



277 



females (106) examined was 5.25 inches; of the < -1-4 1 males. 3.84 inches. The extremes were: Females, 

 3.25 and 8 inches; males 3.31 and 5.69 inches. The number of young in SI females examined varied 

 from S 1 1 » 36, the average being 15.76. The position of the young in the "vary was determined in 54 



' '*/■'<, 



Fig  i j mi.i i ogai tei ' Mbbons i. Male. 



lishes. They were found to contain a total of 813 young, 652 or 80 per cent of which were lying with the 

 head toward the head of the mother fish, while L61 or 20 per cent had the head toward the tail. In one 

 instance all the young (11) had the head forward, and in every case but one the majority of the young 



Fig. it. -Cymatogaster aggregatus. Female. 



had the head forward. The one exception was with a 5.5-inch fish with 12 young, 9 of which had the 



head toward the tail. The j ng were quite uniformly I inch to 1.26 inches in length. Those of an 



unusually large female (6.75 inches) wore each L.63 inches long. 

 The table on page 278 gives these data in detail. 



