DUCKS, GEESE, AND SWANS: Family Anatidae [ 141 ] 



Plate 13, A. Female American Pintail on nest. (Photo by Wm. L. Finley and H. T. 

 Bohlman.) 



Plate 13, B. American Pintail drake. (Photo by Wm. L. Finley and H. T. Bohlman.) 



