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.) 
ce. 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 Panamé.)......... 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 Panama and adjacent portion of Colombia.) 
Xiphorhynchus punctigulus insolitus (p. 257). 
XIPHORHYNCHUS LACHRYMOSUS LACHRYMOSUS (Lawrence). 
BLACK-STRIPED WOODHEWER. 
Adults (sexes alike).—Pileum and hindneck 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 portion 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 male—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 (19.6). 
@ Ten specimens, from Costa Rica. b Five specimens, from Costa Rica. 
