ORDER PYGOPODES. 7 



16. Ptychoramphus aleuticus (Pall.). 



Cassin's Auklet. 



Uria aleutica Pall. Zoog. Rosso- As. II. 1826, 370. 

 Ptychoramphus aleuticus Brandt, Bull. Ac. St. P^tersb. II. 1837, 

 347- 



[B 724, C 625, R 751, C 862.] 



Geog. Dist. — Pacific coast of North America, from the Aleutian 

 Islands to Lower California, breeding southward to San Geronimo 

 Island (Lat. 30°). 



Genus CYCLORRHYNCHUS Kaup. 



Cyclorrhynchus Kaup, Sk. Ent. Eur. Thierw. 1829, 155. Type, 

 Alca psittacula Pall. 



17. Cyclorrhynchus psittaculus (Pall.). 



Paroquet Auklet. 



Alca psittacula Pall. Spic. Zool. V. 1760, 13, pi. ii., pi. v. figs. 



4-6. 



Cyclorhymhus psittaculus Stejn. Pr. U. S. Nat. Mus. VII. Aug. 

 5, 1884, 216. 



[B 725, C 621, R 747, C 858.] 

 Geog. Dist. — Coasts and islands of the North Pacific, from Sitka 

 and the Kuril Islands northward. 



Genus SIMORHYNCHUS Merrem. 



Subgenus SIMORHYNCHUS. 



Simorhynchus Merrem, in Ersch & Gruber's Encycl. i sect. 

 II. 18 19, 405. Type, Alca cristatella Pall. 



18. Simorhynchus cristatellus (Pall). 



Crested Auklet. 



Alca cristatella Pall. Spic. Zool. V. 1769, 20, pi. iii., pi. v. figs. 



7-9- 

 Simorhy?ichus cristatellus Bonap. Compt. Rend. XLII. 1S56, 774. 



