Full text: papers communicated to the first International Eugenics Congress held at the University of London, July 24th to 30th, 1912

R. Pearl.Biology and Eugenics.55 
Table II. 
Showing some Results of Mating together Barred Plymouth Rock Males and 
Barred Plymouth Rock Females with different combinations of 
Fecundity Genes. Summarized Data. 
Matings.Distribution of daughters in respect to 
winter egg production. 
Class.Over 30.Under 30.Zero. 

    

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