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Generation. 

 First 

 Second- 

 Third 

 Fourth 

 Fifth 

 Sixth 

 Seventh 

 Eighth 

 Ninth 



Tenth 

 Total 



INDIANA UNIVEESITY 



TABLE II.— HiSTORT of Strain No. 2. 



Five Pairs. Tidal Individuixh Sex-Raiio. 



Countt.d. Males : temales. 



I 1 



F S 373 1: 



(206:166) 



! I 



F S 14 1:1 



(7:7) 



110 1 : .89 



(58:52) 



253 1:1.06 



(123:130) 



60 1 : 1.07 



(29:31) 



1456 1:1.07 



(702:754: 



104 1 : 1.08 



(50:64) 



163 1 : 1.86 



(69:94) 



With tenth) 



422 1 : 1.34 



(180 : 242) 



2954 1 : 1.07 



(1424:1530) 



