Jan. >] 
1902 BANGS — CHIRIQUI BIRDS 45 
Xenops genibarbis []l. 
One adult male, Caribbean slope of Volcan de Chiriqui, 6200 
feet, June 12. 
Xenops rutilus Licht. 
Two males, Boquete, 4500 and 5000 feet, March and April. 
Sclerurus canigularis Ridg. 
Two adults, male and female, Boquete, 5800 and 5600 feet, 
March 19. 
Sclerurus mexicanus pullus' subsp. noy. 
Two adults, male and female, Boquete, 4500 and 5000 feet, 
April. 
Type, from Boquete, southern slope of Volcan de Chiriqui, 5000 feet alti- 
tude, g adult, no. 8566, coll. of E. A. and O. Bangs, collected April 20, 1901, 
by W. W. Brown, Jr. 
Characters. — Similar to true S. mextcanus Scl. of southern Mexico, but 
much darker throughout; top of head dusky, almost black, instead of brown ; 
back several shades darker brown ; rump very dark, almost walnut brown — 
bright chestnut in true S. mexicanus ; throat chestnut, instead of hazel; belly 
and under tail coverts much darker; chin and lores dusky —plain hazel in 
true C. mexicanus. 
MEASUREMENTS (in millimeters). 
No. Sex Wing Tail Tarsus Culmen 
8566 a 80 56 22.0 25 
8567 2 78 50 20.5 20 
Remarks. — The two examples from Chiriqui stand apart from 
the whole series of S. mexicanus with which I have compared 
them, their very dark coloration not being matched even in speci- 
1 Pullus — dark-colored. 
