ORDER PASSERES. 203 



[B 399 , C2io, R2 5 7, 312.] 



GEOG. DIST. Eastern North America, west to Montana, eastern 

 Nevada, Utah, and Idaho ; north to Ontario, and the southern parts 

 of Manitoba, Assiniboia, and Alberta ; south, in winter, to the West 

 Indies and South America. Breeds from the Middle States north- 

 ward, and winters south of the United States. 



GENUS MOLOTHRUS SWAINSON. 



Molothrus SWAINS. F. B. A. II. 1831, 277. Type, Fringilla 

 pecoris GMEL. = Oriolus ater BODD. 



495. Molothrus ater (BODD.). 



Cowbird. 



Oriolus ater BODD. Tabl. PI. Enlum. 1783, 37. 

 Molothrus ater GRAY, Handl. B. II. 1870, 36. 



[B 400, C 21 1, R2 5 8, 313.] 



GEOG. DIST. United States, from the Atlantic to the Pacific, 

 north into southern British America, south, in winter, into Mexico. 



495 rt. Molothrus ater obscurus (GMEL.). 



Dwarf Cowbird. 



Sturnus obscurus GMEL. S. N. I. ii. 1788, 804. 

 M\olothrus~\ ater var. obscurus COUES, B. N. W. 1874, 180, in 

 text. 



[B , C2ii0, R 2580, 314.] 



GEOG. DIST. Southern United States, from Texas to southern 

 Arizona and Lower California, south into Mexico. 



GENUS CALLOTHRTTS CASSIN. 



CaUothrus CASS. Proc. Ac. Nat Sci. Phil. 1866, 18. Type, 

 Psarocolius czneus WAGL. 



