BREEDING FOR EGG PRODUCTION 27 



Pearl, R., and F. AI. Surface. 1909a. Inheritance of fecundity. Maine Agr. 



Exp. Sta. Bui. 166. 

 Pearl, R., and F. M. Surface. 1909b. \'ariation in annual egg production. 



U. S. Dept. Agr. Bur. Anim. Indus. Bui. 110. 

 Pearl, R. 1911. Breeding poultr>' for egg production. Maine Agr. E.\p. 



Sta. Bui. 192. 

 Warren, D. C. 1932. The progeny test in poultry breeding. Kansas Agr. 



Exp. Sta. Cir. 168. 



Publication of this Document Approved by Commission on Administration asb Fin.\nce 

 4M-4-'34. No. 1137. 



