92 



157b. Rupornis magnirostris occidua Bangs, Pr, 

 Biol. Soc, Wash., xxiv., p. 187 (1911). 

 [Rio Tembopata, S.E.Peru, type in M.C.Z., 

 Harvard.] 

 Peruvian Large-billed Hawk. 



Larger: wing (J 213-223 mm. ; above much 

 browner grey than last, but paler than 

 typical form ; no rufous on secondaries or 

 tail ; no buff on upper or under tail- 

 coverts ; chest cinnamon rjifous to grey 

 tinged with rufous. 



Peru 



157c. Ritpornis magnirostris msidiatrix Bangs Colombia, 

 and Penard, Bull. M.C.Z.. hi., p. 36. Venezuela 

 (1918). {Sta. Marta, Col., type in M.C.Z., (Merida). 

 Harvard.] 

 Colombian Large-billed Hawk. 



Wing S 210-220, ? 230 mm. ; above and 

 chest slate grey (paler) ; wings as in typical 

 form ; below barred with dull rufous and 

 white. 



*157d. Rupornis magnirostris griseicauda Ridgw., Mexico to 

 Pr. Bos. Soc. N.H., xvi., p. 89, (1873). Guatemala 



[Rio Seco, Mexico, type in M.C.Z., Harvard] 

 Mexican Large-billed Hawk. 



Wing c? 215-20, ? 240 mm. ; above much 

 darker and browner, under parts and upper 

 tail-coverts more rufous, the interspaces 

 buff instead of white ; tail with inter- 

 spaces ashy. 



and 

 N. Nicaragua. 



157e. Rupornis magnirostris conspeda, Peters, Yucatan 



Auk., XXV., p. 370 (1913). [San Ignacio.] Peninsula, and 

 Yucatan Large-billed Hawk. Brit. Honduras. 



