70 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Adult male.— Length (skins), 228-257 (245); wing, 129-133 (130.8); 

 tail, 78-84 (82.1); culmen, 33.5-35.5 (34.4); tarsus, 23.5-25 (24.1); 

 outer anterior toe, 19-21 (20.2)." 



Adult female.— Length, (skins), 218-240 (231); wing, 124.5-131 

 (127.7); tail, 75.5-84.5 (80.3); culmen, 30-32 (31.2); tarsus, 22.5- 

 24.5 (23.2); outer anterior toe, 18.5-20.5 (19.6).* 



Cozum61 Island and Meco Island, Yucatan; Mugeres Island? 



Centurus led Bidgwat, Proc, Biol. Soc. Wash., iii, Feb. 26, 1885, 22 (p. 3 of 



reprint) (Cozumel Island, Yucatan; coU. U. S. Nat. Miis.). 

 Centurus duUus led EroawAY, Proc. U. S. Nat. Mus., viii, no. 36, Oct. 17, 1885, 



561, 575 (descr.; crit.). 

 M[elanerpes] led Bidgway, Man. N. Am. Birds, 1887, 293. 

 Centurus dubius (not Picus duUus Cabot) Salvin, Ibis, 1885, 186, 192 (Cozumel 



I.; crit.); 1889, 369, part (Cozumel and Meco islands; crit.). 

 Melanerpes duKus Haegitt, Cat. Birds Brit. Mus., xviii, 1890, 172, part (Cozumel 



I.).— Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1895, 422, part. 

 [Mela7ierpes\ dubius Shaepb, Hand-list, ii, 1900, 211, part (Cozumel I.). 



CENTURUS DUBIUS CANESCENS (Salvin). 



KUATAir WOODPECKER. 



SimUar to C. d. dubius, but upper parts more broadly barred with 

 white (the white bars about as wide as the black interspaces), outer 

 webs of primaries (except three outermost) spotted or barred with 

 white, and size slightly larger. 



Adult female.<^— Length (skins), 234-239 (236.5); wing, 127-136 

 (130.3); tail, 76-79.5 (77.8); culmen, 30-31 (30.6); tarsus, 21-23 

 (22.2); outer anterior toe, 18.5-19 (18.8).'' 



Euat3,n Island, Honduras. 



Centurus duhiusf (not Picus dubius Cabot) Bidgway, Proc. U. S. Nat. Mus., x, 

 Aug. 6, 1888, 579 (Buatan I., Honduras). 



Centurus canescens Salvin, Ibis, July, 1889, 370 (Buatan I., Honduras; coll. Sal- 

 vin and Godman. 



Melanerpes canescens Hahqitt, Cat. Birds Brit. Mus., xviii, 1890, 174 (Buatan). — 

 Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1895, 423. 



[Melanerpes] canescens Sharpe, Hand-list, ii, 1900, 211. 



CENTURUS RUBRIVENTRIS RUBRIVENTRIS Swainson. 

 SWAINSOirS WOOSFECEIER. 



AduU flwZe. — Postnasal region (frontlet), usually also loral region, 

 anterior portion of malar region, chin, and extreme upper portion of 

 throat, chrome yellow to deep cadmium yellow or orange; forehead 

 and anterior portion of superciliary region dull white; crown, occiput, 



o Nineteen specimens. c I have not seen the adult male of this form. 



6 Twenty specimens. <* Three specimens. 



