R. H. Thomas 



295 



Finding that two distinct patterns of the Silver hen exist in the 

 aviaries of this country I sent a breast feather of each to the Natural 

 History Museum, South Kensington, and I append to this paper a table, 

 kindly made at my re(iuest by Mr Ogilvie Grant, of the patterns of the 

 wild G. Kijctheineniv from the specimens at the Natural History Museum, 

 which shows these birds to be in a mutating or extremely varying 



Notes froji British Museum, Natural History, 

 Ornithological Department. 



Gennaeus )iijcthemerus. 



? Ah Cb'uug, Fobkien, S. China 

 ? Kuatum, N.W. Fohkien 

 ? 



. ? 

 ? 

 S 

 ? 

 ? 

 ? 

 ? 

 ? Anioy (Aviary) 



B, Z, see illustiatiou Ijelow (1) B type, (2) Z type. 



C, Lateral tail -feathers finely mottled or vermiculated with black and white. 

 i>. Lateral tail-feathers black and white in wavy bars. 



0.1^ 



Fig. 1. 



Fig. 2. 



Breast feathers of the two types B (1) and Z (2) of the female Gennaeus nycthunerus. 



20—2 



