22 



GENUS DAFILA STEPHENS. 



33. Dafila acuta (Linn.). PINTAIL. 



Migrant in considerable numbers ; perhaps occasionally winters in the southern 

 part of the State. They have been known to remain in the lakes in the north- 

 ern part of the State until last week in May and to return by 21st of September. 

 Seen at English Lake February 14 and 15, 1891. (Deane.) 



Wood Duck. 



GENUS AIX BOIE 

 *34. Aix sponsa (Linn.). WOOD DTTCK. 



Migrant and summer resident in some numbers. Some perhaps winter in 

 southern part of the State. Breeds throughout the State and in suitable localities 

 is common. Builds its nest in trees, hence is called, sometimes, " Tree Duck " ; also 

 known as " Summer Duck." 



GENUS CAIRINA FLEMING. 



35. Cairina moschata (Linn.). MUSCOVY DUCK. 



A specimen of this beautiful duck, which Mr. Bidgway thinks may be an escaped 

 hybrid between a Muscovy and a tame duck, was shot near the mouth of the Big 

 Miami River, in Indiana, in January, 1890, and is now in the possession of Mr. J. 

 M. Bauer, of Lawrenceburg, Ind. 



GENUS AYTHYA BOIE. 



36. Aythya americana (Eyt.). REDHEAD. 



A regular migrant throughout the State, not generally common, but Mr. Geo. 

 L. Toppan reporta it as common in the northwestern part of the State. 



37. Aythya vallisneria ( Wils.) f CANVAS-BACK. 



Regular migrant ; not common even in the lake district of the State and 

 hroughout the greater part of our limits quite rare. 



