NOSTRII.-FORM. 



63 



Table 52. Distribution of frequenaj of grades of "openness " in offspring when both parents are extracted 



dominants {extracted DD^DD). 



[Abbrbtiations: H = Houdan; L^Leghom; M^Minorca; P^Polish; WL^ White Leghorn.] 



Table 53. Distribution of frequency of grades of "openness" in offspring when both parents are heterozygous 



(RRxDR). 



Table 54. Distribution of frequency of grades of "openness" in offspring when both parents are 

 extracted recessives {extracted RRxRR). 



Cf. Serial No. 12a. 



