242 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



bb. Pileum and back not streaked (except forehead and extreme upper back, where 

 streaks are mostly concealed). {Xiphorhynchus punctigulus.) 

 c. Pileum and back olive; general color of under parts olive, the throat with 

 heavier and more numerous triangular spots of the same. (Costa Rica and 



western Panamd.) Xiphorhynchus punctigulus punctigulus (p. 255). 



cc. Pileum and back sepia brown to burnt umber; general color of under parts 

 brownish olive, the throat with smaller and fewer spots of the same. (East- 

 ern Panamd. and adjacent portion of Colombia.) 



Xiphorhynchus punctigulus insolitus (p. 257). 



XIPHORHYNCHUS LACHRYMOSUS LACHRYMOSUS (Lawrence). 



BLACK-STRIPED WOODHEWER. 



Adults (sexes alike). — Pileum and hinclneck brownish black, each 

 feather with a conspicuous mesial broad guttate streak of light buff; 

 back and scapulars similar, but the mesial streaks much larger and 

 deeper buff; rump, upper tail-coverts, remiges, proximal greater 

 wing-coverts and inner-anterior poi'tion of lesser covert area deep 

 cinnamon-rufous, the longer primaries dark grayish brown or dusky 

 terminally; tail, including shafts of rectrices, deep chestnut; middle 

 wing-coverts and outer webs of distal greater coverts black or brown- 

 ish black, the former with a broad mesial streak of buff or with a 

 U-shaped mark of the same; primary coverts cinnamon-rufous, their 

 outer webs more or less distinctly edged with grayish brown ; sides of 

 head light buff, the auricular region broadly streaked with brownish 

 black, the feathers of suborbital and malar regions margined with the 

 same; chin and throat light buff, the feathers of lower throat narrowly 

 margined terminally with brownish black or dusky; chest, breast, and 

 median portion of abdomen buff, the first and second with feathers 

 broadly margined or squamated with brownish black, the last streaked 

 with dusky; sides and flanks pale buffy grayish brown (pale broccoli 

 brown), indistinctly streaked with pale buff and dusky; under tail- 

 coverts similar, but with broad mesial streaks of buffy margined with 

 a line of dusky; under wing-coverts deep ochraceous-buff or tawny- 

 buff, the inner webs of remiges deeper (inclining to cinnamon-rufous), 

 the longer primaries dusky terminally; maxilla horn color (more or 

 less deep), sometimes darker on culmen; mandible pale horn color 

 passing into dull pale yellowish or whitish (broadly) on gonys; legs 

 and feet horn color (in dried skins). 



Adult maZe.— Length (skins), 219-248 (233); wing, 111.5-131.5 

 (125); tail, 88-106 (99.8); culmen, 33-38.5 (34.9); tarsus, 22.5-24.5 

 (23.4); middle toe, 18-20 (19.2).« 



Adult female.— Length (skins), 218-250 (231); wing, 114-125 

 (119); tail, 86-103 (92.3); culmen, 35-38 (36); tarsus, 22-24 (23); 

 middle toe, 18.5-20.5 (19.0).^ 



o Ten specimens, from Costa Rica. b Five specimens, from Costa Rica. 



