ALCIDyE — THE AUKS — FRATERCULA. 



529 



Fratercula corniculata. 



THE HORNED PUFFIN. 



Mormmi comiculatum, Naum. Isis, 1821, 782, pi. 7, ligs. 3, t (Kanitscliatka). — Cass, in iJainl's 



15. N. Ain. 1858, 902. — Baiiid, Cut. N. Am. 15. 1859, no. 713. — Dai.i, & Haxmst. Tr. Chicago 



Ac. I. 1869, 308. 

 Lunda arctica, Pall. Zoog. Ro.sso-As. II. 182G, 365 (imrt). 

 Fratercula corniculata, Giiay, Gen. B. III. 1849, 637, jil. 174. — Con-.s, Pr. Ac Nat. Sci. Philail. 



1868, 24 ; Key, 1872, 340 ; Check List, 1873, no. 617 ; e.l. 2, 1882, no. 853 ; Elliott's Alaska, 



1875, 202. — RiDGW. Norn. N. Am. P.. 1881, no. 744. 

 Mormon (jlaclalia, Aun. Orn. Biog. III. 1835, 599, pi. 293, fig. 1 ; B. An^. VII. 1844, 236, j.l. 463 



(notof Leach). —Gould, B. Eur. V. 1837, pi. 404. 



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



Sp. Char. Adjilt, breeding-plumage : Pileuin uiiifonn drah or grayish brown ; f-ntire side of 

 the head, including a broad superciliary stripe, white ; lower part of neck (all round), with entire 

 upper parts, unifomn deep black, the throat more fuliginous, and changing to smoky gray toward 

 the base of the mandible. Entire lower parts, except as described, plain white, the lining of the 

 wing nniform smoky gray. Soft eye-horns brownish bhick, with a delicate silky gloss ; naked 

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



F. cnrnicidatrt summer adult. 



elsewhere brownish red ; base of bill very light and bi'ight chrome-yidlow, the tumid rosette at 

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

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

 before and after.^ Adult, in luinter : Bill much broader through the middle portion than at the 

 base, the culmen being more or less arched just behind the middle portion ; destitute of the basal 

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

 forming a decided npward angle to the tip ; rictal rosette nearly obsolete, pale yellow, and super- 

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

 or less with orange-reddish. Side of head ash-gray, becoming sooty blackish on h)res ami orbital 



1 The Authors are under obligations to Dr. L. Stejnef,'er for the jirivilege of consulting his notes iiml 

 colored drawings made from freshly killed s])ecin)i'ns, and for his kind pennissi(»n to make use of them 

 here. They are also indebted to liini for unich information concerning the per])lexing ti-ansifions of plu- 

 mage and other particulars regnnling various Alcida: whirl) (.ould only be known from a study of these 

 remarkable birds in their natural haunts. 

 VOL. ir. — 67 



