324 MAINE AGRICUVrURAI, EXPERIMENT STATION. I912. 

 Matings: A. With 5 ? 2 indicated to be of class 2 =■ fInL.. FLiL 



2 Progeny 



Winter Produciicn: Over 30 Under 30 Zero 



Observed 7 o 



Expected 7 



Mean winter production of ? 2 



in indicated class '. . . . 54-57 eggs 



B. With 4 2 2 indicated to be of class 3 = fLih- Phk- 



2 Progeny 



Winter Production: Over 30 Under 30 Zero 



Observed 9 4 



Expected 6.5 6.5 o 



Mean winter production of 2 2 



in indicated class 56.89 eggs IQ.50 eggs 



C. With 2 2 2 indicated to be of class 6 = fljl. FkL.. 



2 Progeny 



Winter Production: Over 30 Under 30 Zero 



Observed o 3 o 



Expected 3 



Mean winter production of 2 2 



in indicated class "^Z-^l eggs 



All^ Progeny 



Winter Production: ' Over 30 Under 30 Zero 



Observed 16 7 



Expected 13.5 p.5 



Mean winter production 55-87 eggs 17.00 eggs eggs 



The agreement between observation and expectation here is 

 satisfactory, excepting the case of the class 3 females. There 

 the deviation from the expected half is wide, but the numbers 

 involvel are small. The behavior of $ 56 with class 2 and 

 class 6 females gives clear indication of his gametic constitution. 



B.P.R. $ 5dj. Indicated constitution =- fl-1,2. fLL^. 



This bird was hatched in 1909 and used as a breeder in 1910. 

 He was an exceptionally fine, vigorous bird. The breeding his- 

 torv is as follows : 



