91 



Smaller, wing S 230, ? 255 mm. ; plumage 

 paler grey. 



Gen. XXXVI. RUPORNIS Kaup (1844). 

 Type by orig. desig. Falco magnhostris Gmel. 



Feet and claws much smaller and weaker. Size 

 rather smaller than Asturina. 



"157. Rupornis magnirostris magnirostris (Gmel.), Guiana, 



S.N., i., p. 282 (1788). [Cayenne.] E. Venezuela, 



Large-billed Hawk. Lesser Antilles. 



Wing S 208-220, ? 220-226 mm. ; above 

 and chest dark brownish slate, head darker ; 

 tail ashy with 3 broad bands of black ; 

 primaries rufous including outer webs, 

 barred with black, the tips black ; secon- 

 daries, except outermost ones, ashy barred 

 with black ; below white, barred with 

 rufous or rufous ashy (^ more rufous 

 below than $). 



157a. Rupornis magnirostris ecuadoriensis subsp. N. & W. 

 nov. [? Vaqueroi, N. Ecuador, Sept. 20tli, Ecuador. 

 1901, in coU. H. Kirke Swann.] 

 Ecuador Large-billed Hawk. 



Wing (J 205, ? 220 mm. ; nearest to R. m. 

 ruficauda ; above much paler and greyer 

 than typical form, but upper tail-coverts 

 with a tinge of buff and tail with interspaces 

 darker and tinged with rufous ; below more 

 rufous and with a buifish tinge ; quills more 

 broadly banded with black, the secondaries 

 more rufous on inner webs. 



