BIBDS OF NORTH AND MIDDLE AMEBICA. 131 



C\hloronerpes] sentgiriosus Sclateb, Proc. Zool. Soc. Lond., 1864, '177 (near City 



of Mexico). 

 Pinis seruginosus Sundbvall, Consp. Av. Picin., 1866, 70. 

 Chrysopieus seruginosus Malhbbbe, Mon. Picid., ii, 1862, 171; iv, 1862, pi. 90, 



figs. 1, 2. 

 Chloronerpes yucatanensis (not Picas yucatanensis Cabot) Sclatee, Proc. Zool. Soc. 



Lond., 1856, 307 (Cordova, Vera Cruz; diagnosis; crit.); 1859, 367 (Jalapa). — 



Cabanis, Joum. fiir Orn., 1862, 321 (diagnosis; Mexico). 

 Chloronerpes yucatends Cabanis, Joum. fiir Orn., 1862, 321 (Mexico; crit.). 



CHLORONERPES RDBIGINOSUS YUCATANENSIS (Cabot). 

 YUCATAN WOODPECKEK. 



Adult male. — Pileum bright crimson laterally and (more or less) 

 anteriorly, this confluent posteriorly with a crimson area covering 

 whole of nape, the red enclosing a large central area of slate-gray 

 covering greater part of forehead, crown, and occiput; back and 

 scapulars plain yellowish olive-green to nearly orange-olive or deep 

 yellowish olive tinged with orange; wings plain orange-brown or 

 yellowish tawny-olive, passing into dull brown or grayish brown on 

 alula, primary coverts, and terminal portion of primaries; rump and 

 upper tail-coverts olive-yellow or citron yellow, broadly barred with 

 light olive; tail light brownish olive, the middle rectrices blackish 

 distally; loral, orbital, and auricular regions pale bufify brownish or 

 pale broccoli brown, the posterior portion of the last usually indis- 

 tinctly barred with darker, the post-auricular region dull whitish, dis- 

 tinctly barred with dusky; malar region (broadly) bright crimson; 

 chin and throat dull white or grayish white, streaked and barred (pos- 

 teriorly) with dusky, the chin sometimes uniform dusky; foreneck 

 and chest dark yellowish olive, narrowly and sharply barred with pale 

 yellow or yellowish white, the remaining under parts similar but the 

 yellow bars much broader and the bars less sharply defined, especially 

 on abdomen, anal region, and flanks; under wing-coverts buffy 

 yellow (maize yellow to buff-yellow), those along edge of wing usually 

 narrowly and indistinctly barred with dusky; inner webs of remiges 

 light yellowish olive, broadly edged (except distaUy) with pale buffy 

 yellow, their shafts clear light yellow; under surface of lateral rec- 

 trices light yellowish olive or dull wax yellow, their shafts clear light 

 yellow; bill dull blackish, sometimes more brownish or horn color on 

 basal portion of mandible; iris dark brown"; feet dusky grayish (dark 

 gray in life''); length (skins), 180-230 (211); wing, 118.5-132.5 

 (126.4); tail, 65-79.5 (72.2); culmen, 22.5-27 (25.4); tarsus, 20.5- 

 23.5 (21.6); outer anterior toe, 17.5-20.5 (19.1).* 



Young male. — Similar to the adult male but posterior under parts 

 nearly immaculate light olive-yellowish, the rump and upper tail- 



o According to Morton E. Peck. 5 Eighteen specimens. 



