132 CHECK-LIST OF NORTH AMERICAN BIRDS. 
339 4. Buteo lineatus elegans (Cass.). 
Red-bellied Hawk. 
Buteo elegans Cass. Pr. Ac. Nat. Sci. Phila. 1855, 281. 
Buteo lineatus var. elegans Rrpcw. in Hist. N. Am. B. III. Jan. 
1874, 257, 277- 
[B 26,/C 3824, Ragga, C g21.] 
Geroc. Dist.— Western United States, from western Texas to Cal- 
ifornia and Oregon, south into Lower California, Sonora, and Chihua- 
hua. Breeds along the Pacific coast of central Oregon, south to 
northern Lower California. 
340. Buteo abbreviatus Cas. 
Zone-tailed Hawk. 
Buteo abbreviatus Cas. in ScHoMB. Reise Brit. Guian. III. 1848, 
739: 
[B—, C 353, R 440, C 522.] 
Groc. Dist.— Texas, New Mexico, Arizona, and southern Cali- 
fornia, south to northern South America. 
SusGENus TACHYTRIORCHIS Kavp. 
Tachytriorchis Kaur, Class. Siug. u. Vég. 1844, 123. Type, 
Falco pterocles TEMM. = Buteo albicaudatus VYEILL. 
341. Buteo albicaudatus sennetti ALLEN. 
Sennett’s White-tailed Hawk. 
Buteo albicaudatus sennetti ALLEN, Bull. Am. Mus. Nat. Hist. V. 
1893, 144. 
[B—, C—, R 441, C 513.] 
Geoc. Dist. — Lower Rio Grande Valley, Texas, and southward 
into Mexico. 
342. Buteo swainsoni Bonap. 
Swainson’s Hawk. 
Buteo swainsonit Bonar. Geog. & Comp. List, 1838, 3. 
