NARROW-BILLED GREY GOOSE. 597 



long, extending, when closed, a little beyond the tail ; the 

 quills twenty-six ; the second primary longest, the first half 

 an inch shorter, and with the third slightly cut out externally. 

 the first and second cut out toward the end internally ; the 

 secondaries broad, the outer abruptly rounded ; the humerals 

 ten, narrow, and rounded. The tail is very short, direct, 

 rounded, of sixteen broad, rounded feathers, the lateral an 

 inch shorter than the medial. 



The bill is orange, with the unguis of both mandibles, the 

 basal half of the lower, and the ridge of the upper, with a 

 streak on each side as far as the nostrils, black. The iris 

 hazel. The feet dull orange-yellow, the claws dusky. The 

 head and neck are gx-eyish-brown ; the fore neck and breast 

 gradually shaded with pale wood-brown, the latter fading 

 into greyish-white ; the hind part of the abdomen, and lower 

 tail-coverts, the sides of the rump, and the upper tail-coverts, 

 white. The feathers of the fore part of the back, the scapu- 

 lars, and the wing-coverts, are deep greyish brown, narrowly 

 edged with brownish-white ; those of the middle and hind 

 part of the back blackish-broAvn. The edge of the wing and 

 the primary coverts are ash-grey, the outer secondary coverts 

 tinged with the same, and terminally margined with greyish- 

 white. The primaries are blackish-brown, the outer grey 

 toward the base, all with the shafts white ; the secondary 

 quills brownish-black, the inner dark brown, grey toAvard the 

 base. The tail feathers greyish-brown, tipped with white, 

 the lateral almost entirely white. The large feathers of the 

 sides, under the wings, are greyish-brown, margined with 

 pale brownish-grey ; the lower wing-coverts purplish-brown. 



The mouth is an inch and two-twelfths in width. The 

 anterior palate concave, with two lateral row r s of close-set, 

 strong, blunted protuberances, between each of which rows 

 and the marginal series of lamellae of its own side is a distinct 

 groove, into which the marginal lamellae of the lower jaw 

 enter. Besides these rows, there are on the arched roof five 

 rows of small, short, conical, distantly set, hard protuberances. 



Length to end of tail, 31 inches; extent of wings, 64; 

 wing, from flexure, 18^; tail, 5^; bill along the ridge, 2^, 

 along the ridge of lower mandible, 2-^, its height at the base, 



