262 Colour and Pat tern- Transference in Pheasants 



Fertile Hi/hruls. 



Parent species : 



Period Method 



" C" Fhasiaiiu.sformusdiiii.s male Early Rapid 



„ „ female „ „ 



" D." Ph(tsiantis versicolur male Late Slow 



„ „ frmalc ., „ 



Series 2 in the pedigree. 



Ill P.Z.S. 1912, pp. 542-543, was published an observation of 

 peculiar interest relating to mmdt and plumage in the crest area of the 

 three F^ " CD " males of this cross which I have the kind permission 

 of the Zoological Society to i-e-state here. 



The centre crest feathers wei'c dark. 



Colour Versicolor 



They were fully developed. 



Early rapid moult Fm-iuosanus 



The inarginal feathers were pale. 



Colour Formosanus 



They were undeveloped, man}' still in the (juill. 



Late slow moult Versic(jlor 



Thus we see in one area the independent segregation of four factors. 

 An examination of the males of both parent species was made at the 

 same time, showing Formo.sanus to have a fully developed crest and 

 that of Versicolor to be undeveloped, mostly still in the quill. 



Series 2'' in the pedigree. 



The moult of F2 inter se Formosanus x Versicolor followed the 

 plumage, an extracted Versicolor female moidted late and slow, an 

 extracted Formosanus female moulted early. 



Haritc. 



The habit of the sterile hybrids has been already remarked upon in 

 their life history. The following notes concern the parent species and 

 fertile hybrids. 



