﻿22 



INDIANA UXTTEESITY 



TABLE v.— History of Straix Xo. 5. 



Generation, 



Five Pairs. 



T.tal lufiividuah Sex Rntio. 



Counted. Malei : tern ales. 



First 



330 



1 : 1.05 



(161 : 169) 



Second 



(Xot Counted) 



Third 



186 



1 : 1.14 



(87 :99) 



Fonrth 



F S 



178 



1 : 1.12 



(84 :94) 



Fiftli 



Sixth 



I I 



19 



1356 



1 :1.71 



(7:12) 



1 :1.15 

 (631 :725 



Seventh 



149 



1 : 1.04 



(73:76) 



Eighth F S 



Total 



2243 



1 : 1.78 



(9:16) 



1:1.13 



(1052 : 1191) 



