40 



bull' ; throat streaked with chisky, chest 

 more thicldy with ferruginous ; a dusky zone 

 across abdomen ; thighs barred ferruginous. 

 148. Buteo tropicalis Verrill., Pr. Ac. Nat. Sci. 

 Philad. Ixi. pp. 357-8. (1009) [San 

 Lorenzo.] 

 Tropical Buzzard. 



Doubtful species : " Possibly the light phase 

 of B. b. harlani." A.O.U. Check List ; only 

 t^qoe example knowai.* 



144. Buteo coojieri Cassin, Pr. Ac. Nat. Sci. 

 Philad. 1856, p. 253. \Santa Clara Co.. Calif.'] 

 Cooper's Buzzard. 



C. Tail black. 



Smaller than B. borealis borealis ; average 

 length, o, 19, wing 12.50 in. ; plumage above 

 reddish brown with darker centres ; lesser 

 wing-coverts bright chestnut ; below pale 

 broA^aiish rufous, barred Avith AA-hite ; 

 thighs paler and more buffy ; quills and tail 

 bhick, barred Avith Avhite, the tail Avith about 

 6 bars. 



145. Buteo lineatus lineatus (Gmel.), S.N. 1., p. 

 268(1788) [LongIs.,N.Y.] 

 Red-shouldered Buzzard. 



Much darker : " An erythrism of last form " 

 (Coues) ; below generally much darker red- 

 dish, Avith much less white barring ; thighs 

 rufous. 

 145a. Buteo lineatus elegans Cassin. Pr. Ac. 

 Nat. Sci. Philad. vii, p. 281 (1855) [Cali- 

 fornia.] 

 Western Red-shouldered Buzzard 



Smaller : wing 11-12 in. 

 145b. BiUeo lineatus alleni RidgAV., Pr. U.S. Nat. 

 Mus. vii., p. 514 (1885) [Tampa, Fla.] 

 Florida Red-shouldered Buzzard. 



San Domingo 



California. 



E. North 

 America, N. 

 to Canada, 

 W. to edge 

 of Great 

 Plains. 



W. North 

 America 

 from Brit. 

 Colombia to 

 N.W. Mexico 

 and Lower 

 California. 



S. Carolina 

 to Florida. 



* A.O.U. Check List, ed. 3, 1910, ))nt Gurney (Ibis, 1S7G, p. 242) refers 

 to anothei' from Colorado. 



