ALCIILE — THE AUKS — CYCLOKliUVXCIlL'S. 



starved; these were the only birds of this species \vhi(;h he saw. 

 about Kotzebue Sound and Port Clarence make so nuudi use of th 

 colored plates at the base of the bill of this bird for ornamenting th 

 frocks, that it was evident that it must have extensive breeding- 

 vicinity. 



Eggs of this species from St. Taul's Island, in the Behring Sea, c 

 Elliott, are of a pure chalky-white color, and of an oblong oval shap( 

 ends. They measure 2.10 inches in length by 1.45 in breadth. 



Genus CYCLORRHYNCHUS, Kaup. 



Phalcris, Temm. Man. Orn. II. 1820, 929 (part). 



Cydorrhjjnchns, Kaup. Eiitw. Eur. Tliierw. 1829, 15 (type, Alca psittacula, Pall 



Ombria, Eschsciioltz, Zool. Atl. pt. iv. 1831, 3 (same type). 



Char. Bill much compressed, the maxilla blunt at the end, and with the en 

 both decidedly convex ; mandible strongly falcate, both gonys and toniium bei 

 upward toward the tip, which is very acute ; nasal shield not extending to th( 



C. psittaculus. 



destitute of accessory deciduous appendages. Plumage dull (dusky above and w 

 mented only by a single longitudinal postocular series of slender white Hlaiuentoi 



