No. 534] FECUNDITY IN THE DOMESTIC FOWL 327 



types or combinations of genes. The general upshot 

 was that while the selection of high layers merely as 

 such was systematic year after year the result attained 

 in the general flock production was entirely haphazard 

 and uncertain. This is exactly what would be expected 

 on the genotype hypothesis, but not on the "statistico- 

 ancestral." 



TABLE I 



The actual course of the average winter egg produc- 

 tion (not hitherto published) during the period is given 

 by the figures of Table I and shown graphically in Fig. 1. 



Certainly the first line of evidence, derived from a 

 long-continued experiment, involving more than 2,000 

 individuals, gives no support to the "statistico-ances- 



