URIA BRA CH YRHA MPHUS 867 



In habits and nidification it does not differ from U. grylle, 

 but its eggs are a trifle larger and more boldly marked. 



1196. SUBSP. URIA SNOWI. 



Una snowi (Stejn.), Auk, xiv. p. 201 (1897) ; Ogilvie Grant, Cat. B. Br. 

 Mus. xxvi. p. 588 ; (Gates), Cat. Birds' Eggs, B. Mus, i. p. 171, 

 pi. xii. fig. 6. 



<$ ad. (Kuriles). Differs from U. columba in having on]y two or three 

 narrow white bars on the wing composed of white tips to the wing-coverts ; 

 soft parts as in U. columba. Culmen 1'6, wing 7'4, tail T95, tarsus 1'3 

 inch. 



Hob. North Pacific from Southern Kamchatka to the Kurile 

 Islands and Japan. 



In habits and nidification it does not differ from U. grylle, 

 and its eggs resemble those of that species. 



BRACHYRHAMPHUS, Brandt, 1837. 



1197. PARTRIDGE AUK. 

 BRACHYRHAMPHUS PERDIX. 



BracJiyrJiamphus perdix (Pall.), Zoogr. Ross. As. ii. p. 351, pi. Ixxx. 

 (1811); Tacz. F. 0. Sib. 0. p. 1211; Ogilvie Grant, Cat. B. Br. 

 Mus. xxvi. p. 592 ; Ridgway, p. Ifi ; Alca marmorata (nee. Gmel.), 

 Seebohm, B. Jap. Emp. p. 278. 



$ ad. (Kamchatka). Head, neck, and upper parts brown mottled with 

 dull tawny buff and buffy white ; wings and tail blackish, the latter 

 slightly tipped with greyish buff; chin and upper throat white very 

 sparingly dotted with blackish ; rest of under parts white mottled with 

 blackish brown ; bill plumbeous black ; legs and feet pale yellow, the 

 webs blackish ; iris dark brown. Bill from feathers on forehead to tip 

 0'75, wing 5'8, tail 1*5, tarsus 0'7 inch. Sexes alike. 



In winter the crown, neck, and sides of lower neck are deep slate, the 

 wings darker, the middle tail-feathers blackish, the rest white; chin, 

 throat, a collar across the nape, and under parts white. 



Hob. Asiatic coast of North Pacific from Kamchatka to the 

 Sea of Ochotsk, Kuriles and Japan. 



Occurs off the islands and coasts of the North Pacific, usually 

 in small flocks, and is essentially a sea-bird, swimming and 

 diving with ease like the Little Auk. In holes in the ground 

 it lays eggs pale yellowish white, with faint slaty and reddish 

 brown dots, chiefly collected round the larger end, and measure 

 about 2-46 by 1'66. 



3 L 



