ALCID.E — THE AUKS — FRATERCULA. 



629 



Fratercula corniculata. 



THE HORNED PUFFIN. 



Mormon comiiculatum, Naum. Isis, 1821, 782, \A. 7, ligs. 3, 4 (Kanitschatka). — Cass, in lininl's 



15. N. Ain. 1858, 902. — Baiud, Cat. N. Am. B. 1859, no. 713. — Ball & Bannist. Tr. Chicago 



A(\ I. 1SG9, 308. 

 Lnnda arctica, Pali.. Zoog. Ro.sso-As. II. 1820, 305 (jiart). 

 Fratercula corniculata. Gray, Gen. B. III. 1819, 037, pi. 174. — Ci)i;i:s, I'r. Ac. Nat. Sci. Pliilad. 



1808, 24 ; Key, 1872, 340 ; Check List, 1873, no. 017 ; ed. 2, 1882, no. 853 ; Elliott's Alaska, 



1875, 202. — EiDGW. Norn. N. Am. B. 1881, no. 744. 

 Mormon (jJacialis, AuD. Orn. Biog. III. 1835, 599, pi. 293, fig. 1 ; B. An\ VII. 1844, 230, pi. 403 



(not of Leach). —Gould, B. Eur. V. 1837, pi. 404. 



Hab. Coasts and islands of the North Pacific, from Kamtschatka to Sitka. 



Sp. Char. Adult, breedin(j-plumage : Pileum uniform drah or grayish brown ; entire side of 

 the head, including a In'oad superciliary stripe, wliite ; lower ]iart of neck (all round), with entire 

 upper parts, uniform deep black, the throat more i'uliginous, and changing to smoky gray toward 

 the base of the mandiVile. Entire lower pai'ts, except as described, plain white, the lining of the 

 wing uniform smoky gray. Soft eye-horns brownish black, with a delicate silky gloss ; miked 

 eye-ring vermilion ; tip of bill, to between 2d and 3d groove, salmon-red along culmen and gonys, 



F. cnrniciitain, summer adult. 



elsewhere brownish red ; base of bill ver}' light and l)right chrome-yellow, the tumid rosette at 

 the corner of the month bright orange, as is also the interior of the mouth and the tongue ; iris 

 brownish gray ; feet intense vermilion-red during height of breeding-season, but much jialer both 

 before and after.^ Adult, in vnnter : Rill much broader through the niiddli' portion tliau at the 

 base, the culmen being more or less arched jnst liehind the middle portion ; destitute of the basal 

 shields; the gonys horizontal and nearly straight for the basal half, then perfectly straight, ami 

 forming a decided upward angle to the tip ; rictal rosette nearly obsolete, pale yellow, an<l super- 

 ciliary horn absent. Color of bill dark brownish, the terminal portion lighter, and tinged more 

 or less with orange-reddish. Side of hea<l ash-gray, becoming sooty bhudvish on lores and orbital 



1 The Authors are under (ibli<'atioiis to Dr. L. Steinerrcr fur tlic iirivileire of eonsultinic his notes and 

 colored drawings made from freshly kiliiMl specinirns, and for his kind pcrmissien to make use of them 

 here. They are also indebted to him for much information concerning the per]ilexing transitions of plu- 

 mage and other particulars regarding various Alcidce which could only he known from a study of these 

 remarkable birds in their natural haunts. 

 VOL. ir. — G7 



