No. 155. 



ABSTRACT OF THE PROCEEDINGS 



OF THE 



ZOOLOGICAL SOCIETY OF LONDON.* 



April 4th, 1916. 



Dr. A. Smith Woodward, F.R.S., Vice-President, 

 in the Chair. 



The Minutes of the last Scientific Meeting were confirmed. 



Mr. J. T. Cunningham, M.A., F.Z.S., exhibited a number of 

 skins of fowls produced in the course of six generations descended 

 from a cross between a male Gallus hankiva and a female Silky 

 fowl. The cross was made at the Society's Gai^dens in 1910, and 

 Mr. Cunningham's specimens were bred from a pair of the F I's 

 given to him in 1911. 



The chief points illustrated were : — 



(1) The production of a recessive pile, instead of pure white 

 recessives ; in the pile the female had reddish brown on the 

 breast and abdomen, the male had no colour on the abdomen, 

 but yellow on the back and loins. In the first mature plumage 

 both sexes had reddish brown on the breast. 



(2) The production of two types in the coloured dominants, as 

 well as individual variations. One type was dark, the other 

 light : in the former there was an excess of the black colour, 

 especially about the head, in the latter the head was yellow. 

 The difference was more conspicuous in the females than in the 

 males. 



Individual diflferences were shown in comparing a hen with 



* This Absti'act is published by the Society at its offices, Zoological Gai-dens, 

 Regent's Park, N.W., ou the Tuesday following the date of Meeting to which 

 it refers. It will be issued, along with the ' Proceedings,' free of extra charge, 

 to all Fellows who subscribe to the Publications ; but it may be obtained on the 

 day of publication at the price of Siaycjice, or, if desired, sent post-free for 

 the sum of Six ShUliiir/ti per annum, payable in advance. 



