CONTRIBUTIONS TO THE NATURAL HISTORY OF ALASKA. 185 



Genus Cerorhinca Bonaparte. 



15. Cerorhinca monocerata (Pall.). Rhinoceros Auklet. 



Genus Ptychoramphus Brandt. 



16. Ptychoramphus aleuticus (Pall.). CassMs Anklet. 



Genus Cyclorrhynchus Kaup. 



17. Cyclorrhynchus psittaculus (Pall.). Paroquet Anklet. 



Genus Simorhynchus Merrem. 



18. Simorhynchus cristatellus (Pall.). Crested Auklet. 



19. Simorhynchus pygmjeus (Ginel.). Whiskered Auklet. 



20. Simorhynchus pusillus (Pall.). Least Anklet. 



Genus Synthliborhamphus Brandt. 



21. Synthliboramphus antiquus (Gmel.). Ancient Murrelet. 



22. Synthliboramphus wumizusume (Temm.). TemmincVs Murrelet. 



Genus Brachyrhamphus Brandt. 



23. Brachyramphus marmoratus (Gmel.). Marbled Murrelet. 



24. Brachyramphus kittlitzii Brandt. Kittlitzh Murrelet. 



Genus Cepphus Pallas. 



28. Cepphus mandtii (Licht.). Mandt's Guillemot. 



29. Cepphus columba Pall. Pigeon Guillemot. 



Genus Uria Brisson. 



30a. Uria troile californica (Bryant). California Murre. 

 31. Uria LOMVIA ARRA (Pall.). Pallas's Murre. 



Family STERCORARIIDJE. Skuas and Jaegers. 



Genus Stercorarius Brisson. 



36. Stercorarius pomarinus (Temm.). Pomarine Jwger. 



37. Stercorarius parasiticus (Linn.). Parasitic Jwger. 



38. Stercorarius longicaudus (Vieill.). Long-tailed Jwger. 



Family LARLDiE. Gulls and Terns. 

 Genus Gavia Boie. 



39. Gavia alba (Gunn.). Ivory Gull. 



Genus Rissa Stephens. 



40a. Rissa tridactyla pollicaris Ridgw. Pacific Kittiwake. 

 41. Rissa brevirostris (Bruch). Red-legged Kittiwake. 



Genus Larus Linnaeus. 



4t2i. Larus barroviannus Ridgw. Western Glaucous Gull. 

 44. Larus glaucescens Naum. Glaucous-tcinged Gull. 

 46. Larus nelsoni Hensh. Nelson's Gull. 

 S. Mis. 155 24 



