310 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Molothrus ater califomicus Dickey and van Rossem. California Cowbird. 

 [495c.] 



Molothrus ater califomicus Dickey and van Rossem, Condor, XXIV, No. 

 6, Dec. 19, 1922, 108. (Buena Vista Lake, Kern County, California.) 



Range. — Lower Austral Zone of the San Joaquin Valley of California, from 

 Merced County south to Kern County. Casual in Los Angeles, Ventura, and 

 Santa Barbara counties and on Los Coronados Islands, Lower California. 



Molothrus ater obscurus (Gmelin). Dwarf Cowbird. [49.5a.] 



Sturnus obscurus Gmelin, Syst. Nat., I, Pt. ii, 1789, 804. Based on 

 Sturnus novse-hispanise Brisson, Orn., II, 448. (.in Nova Hispania 

 = Mexico.) 



Range. — Lower Austral Zone of southern California (from Ventura and Inyo 

 counties, south), southern Arizona, extreme southwestern New Mexico, and 

 southern Texas south to northern Lower California, Colima, Oaxaca, and Vera 

 Cruz. In winter to the Cape district of Lower California. 



Genus TANGAVIUS Lesson. 



Tangavius Lesson, Revue Zool., II, [No. 2] Feb. [March], 1839, 41. Type, 

 by monotypy, Tangavius involucratu^ Lesson. 



Tangavius aeneus aeneus (Wagler). Bronzed Cowbird. [496a.] 



Psarocolius seneus "Lichtenst.", Wagler, Isis von Oken, XXII, 1829, 

 Heft vii (July), col. 758. (in Mexico.) 



Range. — Northwestern Mexico to southern Arizona (near Tucson, breed- 

 ing). 



Tangavius aeneus involucratus Lesson. Red-eyed Cowbird. [496.] 



Tangavius involucratus Lesson, Revue Zool., II, [No. 2] Feb. [March], 

 1839, 41. (Mexico.) 



Range. — San Antonio, Texas, south through eastern Mexico, Yucatan, 

 and central America to Panama. 



