246 The Ottawa Naturalist. [February 



10 II Tail of 16 quills. Smaller, 30 in. 



Branta Canadensis huicMnsii{^\c\\.^ Coues. Hutchins's 



Goose. 



11 9 Neck with a white patch on each side. Length 23 to 



24 in. 



Branta hernicla (Linn.) Scopoli. Brant. 



Bill as long as head. 



Hind toe reaching the ground. 



Forehead white. 26-27 in. 



Anser albifrons gambeli (Hartl.) Coues. American 

 White-fronted Goose. Laughing Goose. 



15 14 No white on the forehead. Entirely bluish, 



Chen ccerulescens (Linn.) Gundl. Blue Goose. 



16 15 Adult white, bill reddish. Young more or less mottled 



with gray. About 30 in. 

 Cheyi hyperhorea nivalis (Forst.) Ridgw. Greater Snow 



Goose. ^ 



17 I Hind toe long and lobed. 



18 33 Lobe of the hind toe narrow and not more than \ of an 



inch. Nostril at base of bill. 



19 20 Bill narrowed at base and much enlarged at tip 



Spatula clypeata (Linn.) Boie. Shoveller. Spoon-bill. 



20 19 Bill equally broad throughout or nearly so. 



21 24 Bill conspicuously shorter than head and the middle toe 



and claw. 



22 23 First and second quills longest; bill blue black at tip. 



Length 20-22 inches. 

 Mareca Americana {GiQ,v!\\.) Stephens. American Widgeon. 



Baldpate. 



23 22 Second quill longest, bill green, olive. Length 19 in. 



Aix sponsa (Linn.) Bonap. Wood Duck. 



24 21 Bill longer or as long as head, and longer or as long as 



the middle toe and claw. 



25 30 First quill longest; of large size, 19 to 24 inches. 



^ I do not mention the typical species, the Chen hyperborea (Pall.), as it 

 seems to be only an accidental species in the west (vide Macoun, /. c, p. 114). 



