ANSER. 61 



advantaoes. At the same time, it is more than possible that even 

 Alpheraky will modify much that he has now written^ and other species 

 and subspecies maji be created, and some of those now accepted done 

 away with. 



In India we mar/ meet with specimens of many of the Bean-Geese, and 

 for this reason I have, in my key to the Anseres, included several forms of 

 which we have, as vet, no record. 



Genus ANSEE. 



The onlv Indian Goose which has a red breast belonos to the oenu.s 

 Rnfihrenta, and cannot be confused with any of the birds of this genus, 

 which are all coloured Avitli black and white and the intermediate shades. 



Ki'ii to Species. 



A. Head ^itli two black bands A. indicus. 



B. Head with no black bands. 



a. JS^ail of maxilla white or nearly so. 



a. No white or very little white on forehead. Eump 



grey A. ruhrirostris. 



h' . A good deal of wliite ou forehead, round base of 

 bill. Bump dark greyish-brown. 



rt". "Wing over 15 inches A. alUfrons. 



h" . Wing under 15 inches A. eriithro£nis. 



h. Nail of maxilla black or neai-ly so. 



c . Margin of wing ashy blue-grey, upper wing-coverts 



light slaty-grey A. hracln/rJn/ncJms. 



d'. Margin of wing and \\ing-co\erts daric brown or 

 blackish-brown, 

 rt". Pale-coloured parts of bill rose-pink . . . . A. ner/Iectus. 

 h". Pale-coloured parts of bill vermilion . . . . A. carneirostris. 

 c". Pale-coloured parts of bill yellow. 



a'". Nail less than quarter length of culmen. 



«"". Culmen 1*8S to 2-40 inches A. segetum. 



}>"" . Culmen 2-44 to 2-S3 inches A. serrirostris. 



h'" . Xail more than quarter length ot cubnen. 



c"". Culmen 2"1G to 2'8.3 inches A. arvensis. 



d"" . Culmen 2"91 to 3*20 inches A. middcndorffi. 



The aliovc is admittedly only a very rouoh key, but should suffice to 



