230 RAYMOND PEARL 



C. With 3 9 9 indicated to be of class 7 = flxL^ . Flxh. 



9 Progeny 



Winter Production: Over 30 Under 30 Zero 



Observed 1 3 2 



Expected 3 3 



Mean winter production of all 



9 9 in indicated class 45 eggs 13.00 eggs eggs 



All 9 Progeny 



Winter Production: Over 30 Under 30 Zero 



Observed 7 16 3 



Expected 22.25 3.75 



Mean winter production 42.71 eggs 12.00 eggs eggs 



The seven birds with records 'Over 30' belong gametically to 

 the 'Under 30' class, and their records are somatic fluctuations. 

 This is shown both by their history and by their behavior in F^, 

 all having been bred. 



Matings of C.I.G. c? 578. This male has been shown from his 

 matings with pure Cornish females to belong to class 3 of C.I.G. 

 o^o" i^fUk ■ fliU)- His matings with Barred Rock females are 

 as follows: 



Matings: A. With 2 B.P.R. 9 9 indicated to be of class 2 = fLiLz . FLih. 



9 Progeny 



Winter Production: Over 30 Under 30 Zero 



Observed 3 



Expected 3 



Mean winter production of 



daughters 6 . 33 eggs 



B. With 1 9 indicated to be of class 4 = fLili . FLih. 



9 Progeny 



Winter Production: Over 30 Under 30 Zero 



Observed 1 4 



Expected 5 



Mean winter production of 



daughters in indicated class. . 42 eggs 11.00 eggs eggs 



