582 ANSERINJE. 



ridges ; wings long, broad, of twenty-six quills, the second 

 longest ; tail short, rounded, of sixteen rounded feathers. 



1. Anserferus. TJiich-billed Grey Goose. About thirty- 

 two inches long; with the bill very thick, as long as the head, 

 yellowish-orange, with the unguis grey or white ; tarsus three 

 inches long, flesh-coloured ; head and neck greyish-brown ; 

 hind part of back light ash-grey. 



2. Anser segetum. Narrow-hilled Grey Goose. About 

 thirty inches long ; with the bill moderately thick, nearly as 

 long as the head, yellowish-orange, with the base and unguis 

 black ; tarsus three inches long, orange-yellow ; head and 

 neck greyish-brown ; hind part of back blackish-brown. 



3. Anser brachyrhynchus. Short-billed Grey Goose. 

 About twenty-eight inches long ; with the bill shorter than 

 the head, carmine, with the base and unguis black ; tarsus 

 two inches and a half long, pale purplish pink ; head and 

 neck greyish-brown ; hind part of back deep ash-grey. 



4. Anser albifrons. White-fronted Goose. About 

 twenty-eight inches long ; with the bill thick, short, carmine ; 

 with the unguis white ; tarsus orange-red ; forehead white, 

 with a black band behind ; lower parts greyish- white, irregu- 

 larly patched with black. 



5. Anser Canadensis. Canada, Goose. About forty-two 

 inches long ; with the bill moderate, black ; the tarsi and 

 toes black ; the head and two-thirds of the neck black ; a 

 broad band of white across the throat ; upper parts greyish- 

 brown, lower greyish-white. 



GENUS II. BERNICLA. BERNICLE GOOSE. 



Bill much shorter than the head, moderately stout, 

 straight, sub-conical, higher than broad at the base, narrowed 

 toward the end, where its breadth does not exceed its height, 

 rounded, with the unguis large, very convex, and firm-edged ; 

 the lamellse of the upper mandible rounded, and scarcely 

 projecting ; tarsus stout, moderately compressed, reticulated 

 all round ; hind toe free, flattened beneath, anterior toes 

 rather long, scutellate, unless toward the base ; interdigital 

 membranes full ; claws short, arcuate, rather depressed, 



