82 



Wing S 323, tail 218 ; wing ? 333 mm. ; 

 darker, approaching B. I. elegans ; breast 

 usually more spotted with buffy ; dark 

 shafts of chest more conspicuous ; head and 

 back more rufous. 



*tl45. Buteo platypterus plaiypterus (Vieill.), Tabl. 

 Ency. Meth., iii., p. 1273 (1823). [Near 

 Philadelphia, ex. Wilson, pi. 54, f. 1] 

 Broad- winged Hawk. 



Considerably smaller ; wing 3" 280, ? 295 

 mm. ; only 3 outer primaries emarginate ; 

 plumage above dark brown with lighter 

 edges ; nape much mottled with white ; 

 tail brownish-black with 2 bands of greyish- 

 white (basal one narrow or obsolete) ; 

 below rufous brown, cross-barred with 

 white in the form of transverse oblong spots. 



E. North 

 America ; Cuba, 

 Porto Rico ; 

 in winter to 

 Mexico, Central 

 America and 

 Northern 

 S. America. 



145a. Buteo platypterus insulicola Riley, Auk., Antigua. 

 XXV., p. 273 (1908). [Antigua, type in 

 U.S. Nat. Mus.] 

 Antiguan Hawk. 



Wing (^ 227, $ 252 mm. ; smaller and 

 lighter than antillarum and bars below 

 narrower and less sharply defined. 



St. Vincent, 

 St. Lucia, 

 Grenada, 

 Dominica,^ 

 Tobago ? 



145b. Buteo platypterus antillarum Clark, Pr. Biol. 

 Soc. Wash., xviii., p. 62 (1905). [St. 

 Vincent, type in M.C.Z., Harvard.] 

 Antillcan Hawk. 



Wing c^ 252-257, ? 265 mm. ; larger and 

 darker than last form, and smaller and 

 much darker above and below than typical 

 form. 



* B. platypterus rivieri Verrill (Add. to Avif. of Dom. n.d., [reed, for review in 

 Auk., Oct. 24, 1905]), described from Dominica is inseparable from amillarum, 

 which name, being pubUshed in Feb., 1905, predates Verrill's name. 



