ORDER PYGOPODES. i 
16. Ptychoramphus aleuticus (PALt.). 
Cassin’s Auklet. 
Uria aleutica Pau. Zoog. Rosso-As. II. 1826, 370. 
Liychoramphus aleuticus BRANDT, Bull. Ac. St. Pétersb. II. 1837, 
347: 
Ei 724 625, Ro 755s 862.) 
Geroc. Dist.— Pacific coast of North America, from the Aleutian 
Islands to Lower California, breeding southward to San Geronimo 
Island (Lat. 30°). 
Genus CYCLORRHYNCHUS Kavp. 
Cyclorrhynchus Kaur, Sk. Ent. Eur. Thierw. 1829, 155. Type, 
Alca psittacula PALu. 
17. Cyclorrhynchus psittaculus (Patt.). 
Paroquet Auklet. 
Alta psittacula Pau. Spic. Zool. V. 1760, 13, pl. ii., pl. v. figs. 
4-6. 
Cyclorhynchus psittaculus SvrjN. Pr. U.S. Nat. Mus. VII. Aug. 
Bloods 200. 
(Biyac) Ci6e8 Ri gaz) C.858,| 
Geoc. Dist.— Coasts and islands of the North Pacific, from Sitka 
and the Kuril Islands northward. 
Genus SIMORHYNCHUS Merrem. 
SuBGENUS SIMORHYNCHUS. 
Simorhynchus MERREM, in Erscu & GRuUBER’s Encycl. 1 sect. 
II. 1819, 405. Type, Alca cristatella PALu. 
18. Simorhynchus cristatellus (Patt). 
Crested Auklet. 
Alca cristatella PAu. Spic. Zool. V. 1759, 20, pl. iii., pl. v. figs. 
79: 
Simorhynchus cristatellus Bonar. Compt. Rend. XLII. 1856, 774. 
b- 
