An Annotated List of the Birds of Utah. 13 



190. Aix sponsa (L.). Summer Duck. Common. Ogden, Sept. 

 (Allen.) 



191. Fulix marila (L.). Big Black Head. Common in fall. 



192. Fulix affinis (Eyton). Little Black Head. Autumn migrant. 

 Utah Lake. (Captain J. H. Simpson.) 



* 193. Fulix collaris Donovan. Ring-necked Duck. Common. 



194. Aythya ferina (L.), var. Americana (Eyton). Numerous in fall. 



195. Bucephala Americana Bon. Golden Eye. Abundant in fall 

 and winter. 



196. Bucephala islandica (Bd.). Barrow's Golden Eye. Perhaps 

 not uncommon in fall and winter. A pair were taken in Provo River, 

 December 1. 



197. Bucephala albeola (L.). Butter Ball. Very common in fall 

 and winter. 



* 198. Erismatura rubida (Wils.). Ruddy Duck. Common. 

 199. 3Iergus merganser L., Cass. Sheldrake. 



* 200. Mergus serrator L. Red-breasted Merganser. Abundant. 



201. Lophodytes cucullatus (L.). Hooded Merganser. Common in 



fall. 



PELECANID^. The Pelicans. 



* 202. Pelecanus erythrorhynchus Gm. American Pelican. Common 

 upon the lakes. Although no longer breeding upon Great Salt Lake, it 

 undoubtedly does so within the limits of the territory. 



PHALACROCORACID^E. The Cormorants. 



*203. Graculus dilophus (Sw.). Double Crested Cormorant; Black 

 Shag. Common at Salt Lake. 



LARID^. The Gulls and Terns. 



*204. Larus Califnrnicas (Lawr.). California Herring Gull. Common 

 summer resident. (Ridgway.) 



205. Larus Delawarensis Ord. Ring-billed Gull. Rather common 

 Winter resident. 



206. Chroecocephalus Philadelphia (Ord). Ogden, Oct. 1. (Allen.) 



207. Xema Sabinei (Sab.). Fork-tailed Gull. One taken at Ogden, 

 Sept. 28. (Allen.) 



* 208. Sterna regia Gambel. Royal Tern. Not uncommon in summer, 

 (Ridgway.) 



* 209. Sterna Forsteri Nutt. Porster's Tern. Abundant. " Breeds in 

 marshes of Salt Lake." (Ridgway.) 



* 210. Hydrochelidon fissipes (L.). Short-tailed Tern. Rather uncom- 

 mon. " Breeds in marshes of Salt Lake." (Ridgway.) 



COLYMBID^a. The Loons. 

 211. Colymbus torquatus Brunn. Great Northern Diver. Probably 

 not of infrequent occurrence. 



