72 INDIAN DUCKS 



disposal, and the length of time and study he has devoted to the 

 subject, tlie results he arrives at will probably be eventually found 

 to more closely approach correctness than the attempts of other 

 ornithologists, who have not had the same advantages. At the same 

 time, it is more than possible that even Alpheraky would now modify 

 much that he has written, and other species and subspecies may be 

 created, and some of those now accepted done away with. 



Tn India we may meet with specimens of man>- of the Bean- 

 Geese, and for this reason I have, in my key to the Anseres, included 

 several forms of which we have, as yet, no record. 



Further investigation, more especially that of Dr. Hartert, has 

 led to the change of several names, the suppression finally of certain 

 subspecies, and to the reversion in one or two cases to better-known 

 names. 



