ANAS. 



529 



The adult females may be distinguished as follows : 



Tail-feathers brown, obliquely I p rNTAIL 



barred with white I 



WIGEON. 



Wing 7 inches or less 



( GARGANEY*. 

 ( TEAL 



BUI at base only half greatest) SHOVELLER 



I Alar speculum black, more 

 AMEBICAN WIGEON . . S or \ QSS bronzed with green. 



breadth 



M AI. I.A H i > Alar speculum purple. 



* Dresser has figured the female Garganey with a distinct alar speculum and blue wing- 

 coverts ; but the student will find that it is correctly described as not possessing those 

 characteristics. 



