The True Geese. 77 



Anser mentalis, sp. nov. On looking 

 over the Geese in the British Museum, 

 I was struck by the large size of one of 

 the specimens, its massive bill and white 

 chin. It came from Yokohama, and was 

 once in the Seebohm Collection. I can 

 only regard this Goose as a species 

 which has not before been noticed, and I 

 accordingly give it a distinguishing name. 

 In plumage this species resembles the 

 common Bean-Goose, except that the 

 whole chin is white. The wing measures 

 19*6, but the sex of the bird is not known. 

 The length of the bill is 2*85, and the 

 depth of the lower mandible "55. There 

 is nothing on the label of the specimen to 

 show what the colour of the bill and legs 

 was in life. This species, which occurs 

 in Japan and probably in China, is as 

 likely to be found in the eastern parts 

 of Burma as any other species of this 

 section. 



Allied to the True Geese, but differing 

 markedly from them in the shape of the 

 bill, is the Swan-bill or Chinese Goose 

 (Cygnopsis cygnoides). This species occurs 

 commonly in China in the winter, and 

 may consequently be found in the North- 

 ern Shan States. It has the primaries 



