622 



PATAGONIAN EXPEDITIONS: ZOOLOGY. 



FIG. 312. 



Tackytriorckis albicaudatus. Male in dark plumage. From a bird in the American Museum. 



Genus BUTEO Lacepede. 



Type. 



Bufeo, Lacep. Tableaux Ois, p. 4 (1799); Sharpe, Cat. 

 Bds. Brit. Mus. i. p. 164 (1874); Sharpe, Hand- 

 List Bds. i. p. 255 (1899) . B. buteo. 



Craxirex, Gould, in Darw. Voy. Beagle, Birds, p. 22 



(1841) . . , V ' B.galapagensis. 



Butaquila, Hodgs, in Gray's Zool. Misc. p. 81 (1844) . B.ferox. 



Pacilopternis, Kaup, Isis, 1847, P- 3 2 9 & latissimus. 



Geographical Range. Found throughout the world except in the Indo- 



Malayan region and in Australasia and in Oceania. 



