ANSERIN.E — TIIK GEESE — BERXICLA. 



459 



intenuediate between the two extrcine.-; ; the white collar round the neck, at the lower edge of 

 the black, is seen only in autumnal or winter specimens. The white of the head is usually un- 

 interrupted on the throat, even in very dark-plumaged examples, but occasionally separated into 

 two patches by a Idack throat-stripe, as in leucopniviaand occidentalis, the plumage otherwise being 

 light colored. 



8. leucopareia. — Little White-cheeked Goose. 



Adult (No. G2u2(), $ ad., St. I'aid's I.slund, Ala-ska, May 14, 1872 ; H. W. Elliott) : Throat 

 with a black " isthmus " .75 of an inch broad, separating widely the white cheek-patches. A distinct 

 white collar between the black of tlie neck and dark brownish gray of the jugulum, this about .75 

 of an inch wide in front, and extending conijiletely around, though much narrower, and somewhat 

 interrupted, liehind. Lower parts dark l)rc»vnish gray, abruptl}' defined against the white of the 

 crissum. Wing, 14.25 inches ; culmen, 1.30 ; depth of ma.xilla at base, .75 ; width, .()5 ; tarsus, 

 2.55 ; middle toe, 2.30. Tail feathers, 14. 



Other specimens in the collection are chiefly in summer plumage, having paler lower parts and 

 less conspicuous white collar ; but nearly all liave the two cheek-patches completely separated by 

 a broad black isthmus on the throat. 



With only two exceptions, the specimens are from the Pacific coa.st, chiefly the northern 

 portion. 



No. 9956, North Red River (September ; R. Kennicott), is one of the smallest in the series, 

 and is otherwise peculiar. It is apparently a young bird, as its plumage presents some features 

 indicative of immaturity. The black of the neck fades gradually into the smoky gray of the jugu- 



Washoe L.lUe, Nev. (adult). 



St. Michael's, Ala.sk.a. (tf .id.) 



lum, without being separated by the usual white collar ; the white cheek-patches are thickly, 

 though minutely, speckled with black ; the feathers of the lower parts, and also the upper tail- 

 coverts, have bkckish shafts. It measures as follows : Wing, 13.70 inches ; culmen, 1.25 ; tarsus, 

 2.60 ; middle toe, 2.10. The smallest examples we have seen are the following : — 



There are others but slightly larger. Any of the above couhl stand, in a natural attitude, 

 beneath the breast of some of the larger examples o[ canadensis or OKidentalis ; still, otlier speci- 



