158 CHECK-LIST OF NORTH AMERICAN BIRDS. 
RanGE.— Western North America from the middle Yukon, and central 
western Mackenzie south to Cape San Lucas and Guatemala; east to western 
part of the Great Plains; casual in Illinois and Ontario. 
d. Buteo borealis harlani (AupuBpon). Harlan’s Hawk. ([337d.] 
Falco harlant AupusBon, Birds Amer. (folio), I, 1830, pl. 86. (Near St. 
Francisville, Louisiana.) 
Rance.— Lower Mississippi Valley and Gulf States, from Louisiana to 
Georgia and Florida; casual in Colorado, Texas, Kansas, Nebraska, Iowa, 
Illinois, and Pennsylvania. 
e. Buteo borealis alascénsis GRINNELL. Alaska Red-tail. ([337e.] 
Buteo borealis alascensis GRINNELL, Univ. Calif. Pub. Zool., V, No. 2, 
Feb. 18, 1909, 211. (Glacier Bay, Alaska.) 
RaNnGE.— Southeastern Alaska from Yakutat Bay to Admiralty Island and 
the Sitka islands. 
Buteo linedtus (GMELIN). 
Rance.— North America from southern Canada south to northern 
Mexico. 
a. Buteo lineatus lineatus (GMELIN). Red-shouldered Hawk. ([339.] 
Falco lineatus GMELIN, Syst. Nat., I, i, 1788, 268. (Long Island, New 
York.) 
Ranece.— Eastern North America. Breeds from Manitoba, southern 
Keewatin, southern Quebec, Nova Scotia, and Prince Edward Island south 
nearly to the Gulf States and west to edge of the Great Plains; winters 
south to the Gulf coast. 
b. Buteo lineatus alleni Rincway. Florida Red-shouldered Hawk. [339a.] 
Buteo lineatus allent Ripaway, Proc. U.S. Nat. Mus., VII, Feb. 25, 1885, 
514. (Tampa, Florida.) 
RanGeE.— Southern part of Lower Austral Zone of South Atlantic and Gulf 
States from South Carolina through Texas into Tamaulipas, Mexico. 
c. Buteo lineatus élegans Cassin. Red-bellied Hawk. [339b.] 
Buteo elegans Cassin, Proc. Acad. Nat. Sci. Phila., VII, 1855, 281. (Cali- 
fornia.) 
RANGE.— Transition and Sonoran zones from southern British Columbia 
and California south to Lower California and northwestern Mexieo. 
