FOSSIL BIRDS. 431 



Proictinia effera Wetmore. 



Proictinia effera Wetmore, Bull. Amer. Mus. Nat. Hist., XLVIII, Art. 12, 

 Dec. 3, 1923, 504, figs. 19-20. 



Lower Miocene (Harrison beds); Agate Fossil Quany, Sioux County, Ne- 

 braska. 



Proictinia gflmorei Shufeldt. 



Proictinia ffilmorei Shufeldt, Bull. Amer. IMus. Nat. Hist., XXXH, Art. 

 16, Aug. 4, 1913, 301, pi. LV, fig. 27. 



Lower Pliocene (Loup Fork formation); Long Island, Phillips County, 

 Kansas. 



Subfamily ACCIPITRIINAE. Bird Hawks. 



Genus ASTUR Lacepede. 



Astur Lacepede, Tableaux Oiseaux, 1799, 4. Type, by subs, desig., 

 Falco pilumbarius Linnaeus (Vigors, 1824). 



Astur atricapillus (Wilson). Goshawk. 



Falco atricapillus Wilson, Amer. Orn., VI, 1812, 80 (pi. 52, fig. 3). 

 Modern form reported from Pleistocene: Carpinteria, California. 



Genus ACCIPITER Brisson. 



Acdpiter Brisson, Orn., 1760, I, 28; VI, 310. Type by tautonymy, 

 Accipiter Brisson = Falco nisus Linnaeus. 



Accipiter velox (Wilson). Sharp-shinned Hawk. 



Falco velox Wilson, Amer. Orn., V, 1S12, 116 (pi. 45, fig. 1). 



Modern form reported from Pleistocene: Samwel Cave, Shasta Count}', and 

 Rancho La Brea, Los Angeles, California. 



Accipiter cooperi (Bonaparte). Cooper's Hawk. 



Falco cooperii Bonaparte, Amer. Orn., II, 1828, 1, (pi. x, fig. 1). 



Modern form reported from Pleistocene: Rancho La Brea, Los Angeles, 

 California. 



Subfamily BUTEONINAE. Buzzards and Eagles. 



Genus BUTEO Lacepede. 



Buteo Lacepede, Tableaux Oiseaux, 1799, 4, Type, by tautonymy, Falco 

 buteo Linnaeus. 



