10 



INDIAN DUCKS. 



Suborder ANSERES. 

 Family ANATIDiE. 



Ke;/ to Su/)ja))nJies. 



A. Hind toes not lobed. 



a. Neck as long as, or longef tlian, the body .... 1. Cvonin.'e. 



b. Neck not as long as body. 



a'. Hind toe rather long, tail-feathers rather long. 



Upper parts glossy -. rLECTKOi'TEUiNi: 



6'. Hind toe moderate, tail-feathers rather sliort. L'pper 



parts not glossy. No cere ^. Axseuix.e. 



B. Hind toe very narrowly lobed. 



c. Bill short and goose-like -t. C'iiknoxettin.-'E. 



d. Bill rather flat and broad 5, Anatin-E. 



C. Hind toe broadly lobed. 



e. Bill more or less depressed. 



c. Tail-feathers normal 0. i'uLiGri-ix.E. 



^r. Tail-feathers narrow and very stiff .... 7. EiusM.vxrBO.E. 



/. Bill more or less compressed, never depressed . , . b. Mebgix.e 



Subfamily CYGNIN^. 



This subfamily contains but one genus (Cij<jinis) Aviiich is represented 

 in India, the other two genera Chenopsis and ( oscoroba being confined to 

 Australia and South America only. 



The Swans are so easily identified by the veriest beginner, that it is not 

 necessary to add anything to the above key, though there are a good many 

 other distinctions they [)0ssess, besides the one named_, interesting only 

 horn a scientific point of view. 



Kei/ to Species. 



A. Xo knob at the base of the culmeu ; lores yellow. 



a. Black apical portion of the bill generally docs not extend 

 above the nostrils, and on the sides only reaches halfway 

 to the gape. Cidmen exceeds 4 inches 0. unt.iiois. 



