256 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Leon, Mexico. Accidental in Greenland, Bermuda, and Cuba. Introduced 

 and locally established in England. 



Turdus migratorius achriisterus (Batchelder). Southern Robin. [7616.] 



Merula migratoria achrustera Batchelder, Proc. New Engl. Zool. Club, 

 I, 104, March 6, 1900. (Raleigh, North Carolina.) 



Range". — Breeds in the southern part of the Upper Austral Zone from 

 southern Illinois and Maryland to northern Mississippi, central Alabama, 

 northern Georgia, and upper South Carolina. 



Turdus migratorius caurinus (Grinnell). Northwestern Robin. [761c.] 



Planesticu^ migratorius caurinus Grinnell, Univ. Calif. Publ. Zool., 

 V, No. 2, Feb. 18, 1909, 241. (Windfall Harbor, Admiralty Island, 

 Alaska.) 



Range. — Breeds from Glacier Bay, Alaska, south through the Pacific coast 

 region of British Columbia and Washington. 



Turdus migratorius propinquus Ridgway. Western Robin. [761a.] 



Turdus projrinquus Ridgway, Bull. Nuttall Orn. Club, II, No. 1, Jan., 

 1877, 9. (Western region including eastern base of Rocky Mountains 

 = Laramie Peak, Wyoming.) 



Range. — Breeds mainly in the Canadian and Transition zones from south- 

 eastern British Columbia and Montana south to southern California, JaUsco, 

 Oaxaca, and Vera Cruz, and from the Pacific coast east to the border of the 

 Great Plains. Winters from southern British Columbia and Wyoming south to 

 middle Lower California and to the highlands of Guatemala. 



[An additional race of T. migratorius occurs in Mexico.] 



Turdus confinis Baird. San Lucas Robin. [762.] 



Turdus confinis Baird, Review Amer. Birds, sig. 2, June, 1864, 29. 

 (Todos Santos, Cape St. Lucas [Lower California].) 



Range. — Upper Austral Zone of the mountains in the Cape district of Lower 

 California. 



• Turdus merula merula Linnaeus. Eiu-opean Blackbird. [761.1.] 



Turdus merula Linnaeus, Syst. Nat., ed. 10, I, 1758, 170. (in Europa 

 = Sweden.) 



Range. — ^The British Isles and Europe. Accidental in Greenland.^ [Re- 

 lated races occur in southern Spain, North Africa, and central Asia]. 



1 Schi0ler, Dansk Ornith. For. Tidssk., XI, Haeftea 3-4, Sept., 1917, 175. 



