ORDER CHARADRIIFORMES. 129 



Norway, Russia, and Siberia. Winters off the coast of Virginia and in the 

 Gulf of Mexico southward; also in the Galiipagos and off the coast of Peru; 

 in the Old World to South Africa, and Australia; common fall migrant on the 

 coast of California. Casual in the interior United States. ^ 



Stercorarius parasiticus (Linnaeus). Parasitic Jaeger. [37.] 



Larus 'parasiticus Linnaeus, Syst. Nat., ed. 10, I, 1758, 136. (intra 

 tropicum Cancri, Europae, Americae, Asiae = coast of Sweden.) 



Range. — Breeds from northwestern Alaska, Melville, and other Arctic 

 islands, and northern Greenland to southwestern Alaska, the Aleutian Islands, 

 southern Mackenzie, Hudson Bay, and northern Labrador; also on Arctic 

 islands of Siberia and northern Europe south to Scotland. Winters from 

 southern California to Argentina, occasionally to the Straits of Magellan, and 

 from Florida to the eastern coast of South America ; also from Europe to Cape 

 of Good Hope and the Persian Gulf and occasionally to Australia and New 

 Zealand. Casual in the interior of Canada and the United States to the Great 

 Lakes, Illinois, Missouri, Kansas, and Colorado; accidental in Massachusetts 

 and Maine in winter and occasional on the Atlantic coast in summer. 



Stercorarius longicaudus Vieillot. Long-tailed Jaeger. [38.] 



Stercorarius longicaudus Vieillot, Nouv. Diet. d'Hist. Nat., nouv. ed., 

 XXXII, 1819, 157. (le nord de I'Europe, de I'Asie et de I'Amerique = 

 northern Europe.) 



Range. — Breeds on the Arctic coasts and islands of Europe and Asia, the 

 northern and northwestern coasts of Alaska, northern Mackenzie, EUesmere 

 Island, and north Greenland south to northern Labrador. Winters south to 

 Gibraltar and Japan and recorded in winter on the coasts of South Carolina 

 and Florida; in migration occurs off the Atlantic coast and in Chile and Argen- 

 tina; also in British Columbia, Manitoba, Missouri, Iowa, Ohio, Indiana, and 

 Illinois. Casual on the Pacific coast of North America south to California. 



Genus CATHARACTA BRtiNTsricH. 



Catharacta BRtJNNiCH, Orn. Borealis, 1764, 32. Type, by subs, desig., 

 Catharacta skua BRiJNNiCH (Reichenbach, 1851). 



Catharacta skua Brunnich. Northern Skua [35.] 



Catharacta Skua BRiJNNiCH, Orn. Borealis, 1764, 33. (E Feroa & Islandia 

 = Iceland.) 



Range. — Reported to breed near Lady Franklin Island at the mouth of 

 Davis Strait, and on southeastern Baffin Island; also breeds in Iceland, and on 

 the Faroe, Shetland and Orkney islands. Winters on the fishing banks off 

 Newfoundland, Nova Scotia, and Massachusetts, casually south to New York 



' The Pacific coast bird has been separated as S. p. camtschaticus Pallas. 

 10 



