Constitution of the White Leghorn Breed. 



179 



ther, that as in other crosses, birds possessing a few barred feathers 

 appeared in Fi. Of these birds two were cf cT in which the barred 

 pattern appeared in the coverts or saddle feathers. 



Case 4a. — [White Leghorn cT X Black Java 9 ] cf X [White Leg- 

 horn cf X Black Java 9] 9. Nature of mating: CcBbffli X 

 CcBhFfli. (For discussion, see p. 193). 



In the season of 1912 the cross-bred cf 25 C was mated with cross- 

 bred 99 of similar constitution. The cockerel was a solid white 

 bird except for one feather in the middle of the back which showed 

 barring on one-half. Of the 99 used, 25 B showed at the age of 

 one month slight barring in the right secondary coverts and in two 

 secondaries. At the age of five months the barring had disappeared. 

 Female 25 I showed a few dark saddle feathers but no barring. 

 Female 203 B was a pure white bird. 



Table 15. — Showing the results in Fj of the White Leghorn X Black Java, 

 cross-breds (1912 series). 



In 1912 other crosses between W. L. aid B. J. stock were made. 

 These involved the use of W. L. cf , 1 A. As expected, the first 



