304 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



56. Crown streaked with yellowish orange or orange-yellow.o 

 c. Back, etc., much more yellowish olive; under parts more buffy; smaller 

 (wing averaging 51.4, tail 24.6, culm en 11.1, outer anterior toe 9.5). (Eastern 



Panama.) Picumnus olivaceus panamensis (p. 304). 



cc. Back, etc., much less yellowish oUve; under parts less bxiffy; larger (wing 

 averaging 53.1, tail 27.7, cuhnen 11, outer anterior toe 10.7). (Western 

 Panama and southwestern Costa Eica.) 



Picumnus olivaceus flavotinctus (p. 306). 

 aa. Crown without red, orange, or orange-yellow streaks (minutely dotted with white 

 instead). 

 &. Ground color of pileum deep black. 

 c. Back, etc., more buffy olive. 



Picumnus oUvaceus olivaceus, adult female (extralimital). 

 cc. Back, etc., more greenish olive. (Western Colombia.) 



Picumnus olivaceus gianadensis, adult female (extralimital).* 

 66. Ground color of pileum sooty, sooty black, or dull black, 

 c. Groimd-color of pileum sooty black or dull black; general coloration darker 

 ajid less buffy; wing and taU longer (wing 52-54, tail 26-30). 

 d. Back, etc., clearer or more greenish oUve; chest less yellowish or buffy; 

 white dots on pileum larger. 



Picumnus olivaceus dim.otus, adult female (p. 307). 

 dd. Back, etc., more bufiy oUve; chest more buffy; white dots on pileum 

 smaller, those on crown less ntmierous. 



Picumnus olivaceus flavotinctns, adult female (p. 306). 

 cc. Ground color of pileum dark sooty brown; general coloration paler and more 

 buffy; wing and tail shorter (wing 50.5, tail 24). 



Picumnus olivaceus panamensis, adult female (p. 305). 



PICUMNUS OLIVACEUS PANAMENSIS Ridgway. 



PANAMA PICULET. 



Similar to P- o. granadensis,* but smaller; coloration decidedly 

 more yellowish olive, pileum much duller black, and feathers of malar 

 region and chin more narrowly margined with black or with these 

 markings obsolete. 



Adult male. — ^Pileum dull black, the crown with short, narrow 

 streaks of orpiment orange, the occiput with small circular spots or 

 dots of white; back, scapulars, and rump plain yellowish olive, the 

 wing-coverts similar, but darker and margined or edged with color 

 of back or slightly paler ; remiges dusky grayish brown, the secondaries 

 broadly (but not sharply) edged with dull hght buffy oUve-yeUowish 

 (nearly pale wax yellow), the median portion of proximal secondaries 

 (broadly) hght grayish brown or hair brown, the primaries narrowly 



a I have not seen the adult male of P. o. granadensis, which belongs to this section. 



6 Picumnus granadensis Lafresnaye, Rev. Zool., x, March, 1847, 78 (Call, w. 

 Ecuador; coll. De Lattre; type now in coU. Phila. Acad. Nat. Sci.); Malherbe, 

 Mon. Picid., ii, 1862, pi. 118, fig. 3; Sundevall, Consp. Picin., 1866, 104. [Pimmnus 

 olivaceus.] Subsp. a. Picumnits granadensis Hargitt, Cat. Birds Brit. Mus., xviu, 

 1890, 549, part (excl. specimens from Panama, Chiriqui, and Ecuador). — Picumnus 

 olivaceus granadensis Ridgway, Proc. Biol. Soc. Wash., xxiv, Feb. 24, 1911, 34 (geog. 

 range). 



J have seen only the female of this form. 



