BIRDS OF NORTH AND MIDDLE AMERICA. 



67 



narrowly barred, along edge, for entire length; bill dull black, more 

 brownish on lower basal portion of mandible; legs and feet grayish 

 dusky (bluish gray or greenish gray in life?); length (skins), 228-241 

 (233); wing, 130-137 (133.3); tail, 77-83.5 (79.6); culmen, 30.5-34 

 (32.2); tarsus, 22-25 (23.5); outer anterior toe, 19-22 (20).*^ 



Adult female. — Similar to the adult male, but crown dull white, 

 like forehead, passing into light buffy gray on occiput; length (skins), 

 206-238 (221); wing, 123-132 (127.2); tail, 71-80 (76.7); culmen, 

 25-32 (28.3); tarsus, 21-22.5 (21.8); outer anterior toe, 17.5-19.5 

 (18.5).^ 



Young male. — Similar to the adult male, but prefrontal region 

 much paler and duller red, red of crown lighter and duller and more 

 or less intermixed with blackish, general color of under parts grayer, 

 red of abdomen paler, and white bars on back, etc., less sharply 

 defined. 



Young female. — Similar to the young male, but crown and occiput 

 light buffy brownish gray. 



Southeastern Mexico, in States of Campeche (Campeche; Canasa- 

 ydt), and Yucatan (Uxmal; Izamal; Temax; Tunkas; Tekanto; 

 Tabi; Peto; Buctzotz; Shkolak; Labna; Chichen-Itza; La Vega; 

 Puerto Morelos; Rio Lagartos), British Honduras (near Manatee 

 Lagoon; Manatee Elver; Cayo; Rio Mopan; San Felipe; Belize), and 

 adjacent lowlands of Guatemala. 



Picus dubius Cabot, Proc. Bost. Soc. N. H., i, 1844, 164 (Uxmdl, Yucatan; coll. 



Dr. S. Cabot); Journ. Bost. Soc. N. H., v, 1845, 91. 

 [Centuries aurifrons] y. dubius Ridgway, Proc. U. S. Nat. Mus., iv, July 18, 1881, 



97 (diagnosis). 

 Centurus aurifrons dubius Ridgway, Proc. U. S. Nat. Mus., iv, July 18, 1881, 



108 (monogr.). 

 Centurus dubius Boucard, Proc. Zool. Soc. Lond., 1883, 452 (Buctzotz, Temax, 



Izamal, and Peto, Yucatan; habits). — Stone, Proc. Ac. Nat. Sci. Phila., 



1890, 206 (Tunkas, Shkolak, Tekanto, and Labna, Yucatan). 

 M[elancrpes] dubius Ridgway, Man. N. Am. Birds, 1887, 293. 



