R. Haw, Thomas 



275 



F,. "BHBAr J'r'-l'." 



F,. " BBBA 



inter se. 

 " D," </. 



" B," ^. 



"N," </. 



L," ^. 



E," ^. 



I'urcnt iiiFi inter se, Si. x Si. x Si. x Sw. (Ring 

 iii.scription " 18, XI. /'V") 



Mutation incirasfd : throiit nearly white, 

 nuitation pattern present <in every breast 

 feather, present on Hank and thigh-tut't. 



Si. X Si. xSi. X Sw. ^^. 



Pyesent all over throat and on every feather in 

 breast and flank. Anterior of breast nearly 

 white. Thigh-tuft very white. 



Present on evei-y feather, throat, bi'east and 

 tiank in a fine white lino. Present on thigh- 

 tuft. 



Present on every feather, throat, breast and 

 Hank. Anterior breast nearly white. I'attem 

 on many feathers reduced to a white rachis, 

 vanes black. Present on thigh-tuft. 



Present all over throat, breast, and flank : 

 throat and anterior of breast nearly white, 

 similar to " i) " (/• Present on thigh-tuft. 



Present (being bred from 1914 in Pen 7) has 

 the mutation feathers all over throat, breast 

 and flanks in broad pattern like " D " and 

 " L." Present on thigh-tuft. 



Males. Series 1. 

 Mutation from iinpatterned to jmtterned in. Males of Series 1. 



Thigh-tuft. 



The thigh tuft, very conspicuous in the living bird is unpattemed 

 black in the males of both parent species, but is found in " A " series in 

 a patterned contlition. 



Males of both parent species : 



Swinhoc J' unpattemed black. 

 Silver ^ J' 

 " BA," Fj. (/■. Ten months bird immature plumage. Mutation, pre- 

 sent patterned fulvous and black. 

 "BA,"F,. "A, B, G, D, E" (D, E, B, C, A) </ c/- Absent: un- 

 pcitterned black as in males of both parent species. 



18—2 



