FERTILITY AND HATCHING OF EGGS. 163 



Nottage, H. P. 1904. 



Dry Feeding and Fertility. 



Farm Poultry. Vol. 15, p. 204. 



Percentage records for different years keeping hens and 



pullets separatd. 

 Rablaud, E. 1899. 



De I'influence de la congelation sur le deeveloppement de 



I'oeuf de poule. 



C. R. Ac. Sci. Paris, Vol. 128, p. 1183. 



Effect of very low temperature prior to incubation on 



the development of the hen's egg. 

 Robinson, J. PI. 1903. 



Confinement and Fertility. 



Farm Poultry. \^ol. 14, No. 10, pp. 244 and 245. 



General discussion of topic suggested in title. Gives 



some pertinent data obtained from close observation of a 



few individual birds. 



Still Studying Fertility. 



Farm Poultry. Vol. XVII, No. 18, p. 395. 



Recounts some experiments relative to influence of sex- 

 ual maturity of male on fertility. 

 Saint-Loup, Remy. 1901. 



Ouelques 'reponses au questionnaire concernant les oeufs 



et I'incubation chez les oiseaux domestiques. 



Ornis, Vol. 11, pp. 421-423. 

 Silberstein, A. J. 1898. 



Facts vs. Theory. 



Poultry Monthly. Sept. 1898. Copied in Rel. Poult. Jour. 



Sept. 1909, Vol. X\'I, p. 787 and 788. 



Some detailed data (from unofficial source) showing 



relation in a few individual instances between winter egg 



production and hatching of eggs. 

 Stewart, J. H. and Atwood, H. 1900. 



Poultry Experiments. 



West Virginia Expt. Stat. Bulletin No. 71, pp. 385-402. 

 Data on the influence of free range on the hatching of 



eggs. 



