476 Zoological Society » 



gined with grey ; back, wings and upper tail-coverts rich brown 

 with a bronzy lustre ; tail bronzy- green margined with bronzy -brown, 

 all but the two centre feathers broadly tipped with pure white ; chest 

 dull brown, gradually passing into the white of the abdomen, thighs 

 and vent; under tail-coverts light buff; bill and feet black. 



Total length, 18 inches ; bill, IJ ; wing, 8 ; tail, 9 ; tarsi, 2. 



Hab. ? 



In the collection of the Zoological Society. 



Larus brachyrhynchus. Lar. capite, collo, corpore superiore, 

 uropygio crissoque alhis ; dorso alisque cinereis ; remige primo, ad 

 pogonium externum et ad apicem, remigihusque sequentibus tribus, 

 ad apicem, nigris ; remigibus secundo, tertio et quarto, notd cinered 

 terminali; quint o vittd nigrd et apice cinereo. 

 Head, neck, all the under surface, rump, upper and under tail- 

 coverts and tail pure white ; back and wings, including the prima- 

 ries, grey, passing into white on the tips of the scapularies, secon- 

 daries, and all but the first five primaries,which are thus marked : — 

 the outer primary has its external web and three inches of the tip of 

 the inner web deep black ; the next primary is tipped with black for 

 three inches and a half on its outer, and two inches and a half on 

 its inner web, and has a very minute speck of grey at the extreme 

 tip ; the third primary is tipped with black for two inches, and has a 

 small spot of grey at the extremity ; the fourth is tipped with black 

 for an inch and a quarter, and has a larger spot of grey at the extre- 

 mity than the third ; and the fifth is crossed by an irregular band of 

 black near the tip three-quarters of an inch wide, the extremity 

 being grey, fading into white on the margin of the inner web ; bill 

 primrose-yellow ; feet orange-yellow. 



Total length, 14 inches; bill, 1^ ; wing, 12|^ ; tail, 5^ ; tarsi, 1^. 

 Hab. Russian America. 



The species of Ortyx exhibited were 



Ortyx parvicristatus. Ort. cristd brevi, rectd, pallide fused, ad 

 apicem fulvd ; fronte fulvd ; guld et vittd per later a capitis ferru- 

 gineo-rubris ; torque collari antice angustd, postice latd, nigrd, 

 albo guttata et castaneo tinctd; corpore superiore cinereo-nigro 

 etfusco adsperso ; pectore rufo, singulis plumis guttis sex pallide 

 fulvis, et saturate fusco circumdatis, ornatis ; his apud latera et 

 abdomen grandioribus et fusco -nigrescente. 

 Crest short, straight, light brown tipped with buff; forehead buflf ; 

 throat and a broad stripe down each side of the head, above and be- 

 hind the eye, rusty-red ; ear-coverts brown ; collar surrounding the 

 neck narrow in front and broad, behind black, spotted with white 

 and stained with chestnut ; centre of the back, between the shoulders, 

 minutely freckled grey, brown and black; remainder of the back 

 blackish brown, each feather freckled on the margin with grey ; sca- 

 pularies freckled grey and brown, and ornamented on their inner 

 webs with large patches of dark brown ; wing-coverts freckled, and 

 with a large spot of dark brown and another of white near the ex- 

 tremity of each feather ; primaries light brown fringed with greyish 



