74 CHECK-LIST OF NORTH AMERICAN BIRDS. 



[6702, C6io, R7 3 i, C847-] 



HAB. North America at large, including Greenland. Also Eastern 

 Siberia, and southward to Japan. Breeds in high latitudes, migrating 

 south in winter. 



SUBGENUS BYTES KAUP. 



Dytes KAUP, Sk. Ent. Eur. Thierw. 1829, 49. Type, Colymbus au- 

 ritus LINN. 



3. Colymbus auritus LINN. 



Horned Grebe. 



Colymbus auritus LINN. S. N. ed. 10, I. 1758, 135. 

 [B 706, C 611, R 732, C 848.] 



HAB. Northern Hemisphere. Breeds from the Northern United 

 States northward. 



4. Colymbus nigricollis californicus (HEERM.). 



American Eared Grebe. 



Podiceps californicus HEERM. Pr. Ac. Nat. Sci. Phila. 1854, 179. 

 Colymbus nigricollis californicus RIDGW. Pr. U. S. Nat. Mus. VIII. 

 1885, 356. 



[B 7 o 7 , C 612, R 733*, C 850.] 



HAB. Northern and Western North America, from the Mississippi 

 Valley westward. 



SUBGENUS PODICEPS LATHAM. 



Podiceps LATH. Ind. Orn. II. 1790, 780. Type, by elimination, Co- 

 lymbus jlumatilis TUNST. 



5. Colymbus dominions LINN. 



St. Domingo Grebe. 



Colymbus dominicus LINN. S. N. ed. 12, I. 1766, 223. 

 [B 7 o8tf, C6i 3 , R 734 , C8 5 i.] 



HAB. Texas and Southern California southward through Tropical 

 America to Paraguay, including the West Indies. 



