Distribution, Pood and reproductive Capacity of some fresh-water Amphipods. 27 



Schedule II. G. fasciatus. 

 One pair produces an average of 22 eggs, 15 times in 199 days 

 Generation I. 

 Brood 1. 11 prs. ave, 16 eggs each on the 50*1", day and 11 times thereafter 



Generation II. 



Brood 1. 8 pairs average, 15 eggs on 100*^1 day and 7 times thereafter 



Generation III. 



Brood 1. 7 pairs average, 10 eggs on 150*^ day and 3 times thereafter 



time 



330 

 2112 



960 



280 

 189 

 112 



42 

 840 

 189 

 112 



42 

 632 



iia 



42 



520 



36 

 320 

 216 

 128 



48 



1815 



735 



189 



112 



42 

 588 

 112 



42 

 455 



36 

 280 

 189 

 112 



42 



1650 



588 



112 



42 

 455 



36 

 280 

 189 



