

ALCID.K — TIII-; Al'KS - CYCLOUUHYN'CHUS. 



515 



stiirvcd; tlrcse wore the only l>ir(ls of tliis Hiiccics wliidi lit; saw. Tlio Kskiiiios 

 ultDut Kotztfbuo Sound and I'oit ClaiviKic niaki- ho nimli nsn of tlic small (»ninKi?- 

 colort'd iilatcs !•' he basi' of the Mil of this liinl for ornanicntiii^,' tlicir wali-r-proof 

 frocks, that it ,viis i-vidi-nt that it must have i-xtunsive hrci'din.Lj-idaci's in that 

 vicinity. 



Eg,i,'s of tliis species from St. Paul's Island, in the liehring Sea, collected liy .Mr. 

 Elliott, are of a pure chalky-white color, and of an oblong oval shape, with rounded 

 ends. They measure 2.10 inches in h-ngth by 1.4o in breadth. 



Gkms CYCLORRHYNCHUS, Kaui'. 



riialcrin, Tkmm. .Miiii. dni. II. 1820, O'iit (piut). 



Ci/i/orr/ii/uclnis, K.\ii'. Kiitw. Kiir. Tliicnv. 1820, IT) (type, Alca psiltacidc, Pall.). 



Ombria, Ksciischoi.tz, Zool. All. [it. iv. 1831, 3 (siiiiii' tJlK')- * 



Char. Bill nnu'li vonipruxHcd, the iimxilla hluut nt tliu ciul, and with the culnniU and toniiuiii 

 Ixilh decidedly convex ; niandihle strongly falcate, both gonys and toudum lieing greatly curved 

 upward toward the tij>, which Is very acute ; nasal sliield not extending to the cuhuen, ami bill 



C. psUtacnluf. 



destitute of accessory dociduous appendages. Phnnnge dull (dusky above and white below), orna- 

 niented only by a single longitudinal postocular series of slender white tilaiuentous leathers. 



The form of the bill in this geiuis is uni(iue, separating it trenchantly from Siiswrhynchns, its 

 nearest ally. But one species is known. 



CyclorrhynchuB psittaculus. 



THE FABBOT ASK. 



Alcn psittactila. Pall. Spic. Zool. V. 1760, 13, pi. i, and pi. ."J, figs. 4, 5, 6. 



riuihrh psittacula, Temm. Man. II. 1820, 929. — Couks, Key, 1872, 342 ; Check List, 1873, no. 



621 ; Elliott's Alaska, 1875, 204. — Rinow. Nom. N. Am. U. 1881, no. 747. 

 Ombria psUlacula, Escnscn. Zool. Atl. IV. 1831, 3, pi. 17. - C\s.s. in Haiiil's H. N. Am. 1858, 410. 



— Baiud, Cat. N. Am. B. 1859, no. 725. — Elliot, Illustr. Am. B. I. 1869, pi. 70. 

 Simorhijnchns psittaculus, Schlko. Mas. P.-B. IX. 1867, 24. — CoUKs, Pr. Ac. Nat. Sci. Philnd. 



1868, 36, fig. 6 (bill) ; 2(1 Check List, 1882, no. 858. 



