BIRDS OF NORTH AND MIDDLE AMERICA. 273 
sively on outer primaries); bill horn brownish, darker on basal and 
terminal portions of maxilla, paler on mandible (at least on lower 
middle portion); iris brown; legs and feet dusky horn color or dark 
olive (in dried skins). 
Young.—Similar to adults, but coloration darker, streaks darker 
buff or clay color (those on back broader), exposed surface of remiges 
(in closed wing) mostly.olive-brown, and bill nearly black. 
Adult male.—Length (skins), 202-233 (223); wing, 89.5-103 
(96.9); tail, 81-100.5 (89.6); culmen (chord), 48-57 (54.4); tarsus, 
20-21.5 (21); middle toe, 17.5-19 (18.1). 
Adult female.— Length (skins), 215-230 (223); wing, 90.5-99 (94.1) ; 
tail, 79-91 (84.6); culmen (chord), 55-61 (57.5); tarsus, 21-22.5 
(21.6); middle toe, 17-19 (17.9).° 
Costa Rica (Naranjo, La Estrella, Azahar, and Birris, Cartago; 
Guipiles; Gudcimo; La Hondura; El Hogar; Carrillo; Jiménez; 
Guayabo; Cariblanco de Sarapiqui; El Generél; Cervantes; Rio 
Scio) and western Panama (Volcan de Chiriqui, 700 feet, and Carib- 
bean slope; Chitra; Boquete de Chitra). 
Xiphorhynchus pusillus (not of Sclater, 1860?) Sctater, Cat. Birds Brit. Mus., xv, 
1890, 160, part (Boquete de Chitra, Chitra, and Chiriquf, Panamé; Costa 
Rica).—Satvin, Proc. Zool. Soc. Lond., 1870, 193 (Boquete de Chitra, Pan- 
am4; crit.).—BoucaRrD, Proc. Zool. Soc. Lond., 1878, 60 (Naranjo de Cartago, 
Costa Rica).—ZeLepoén, Anal. Mus. Nac. Costa Rica, i, 1888, 114 (Birris de 
Cartago and Jiménez, Costa Rica).—Cuapman, Bull. Am. Mus. N.H., ii, 1889, 
157, part (monogr.).—SaLvin and Gopman, Biol. Centr.-Am., Aves, ii, 1891, 
189, pl. 48, fig. 2. 
[Xiphorhynchus] pusillus Gray, Hand-list, i, 1869, 178, no. 2430.—ScLaTER and 
Satvin, Nom. Av. Neotr., 1873, 69, part—Suarpz, Hand-list, iii, 1901, 86 
(Costa Rica; Panamé4). 
Xiphornis pusillus OBERHOLSER, Smithsonian Misc. Coll., xl viii, no. 1579, May 13, 
1905, 64. 
Xiphorhynchus grandis ‘‘ CHERRIE’’ Banas, Proc. New Engl. Zool. Club, iii, Jan. 
30, 1902, 48 (Volc4n de Chiriquf, 700 ft., Panam4; =nomen nudum!). 
Campylorhamphus pusillus borealis CARRIKER, Ann. Carnegie Mus., vi, ‘‘Aug. 29” 
(=Sept. 7), 1910, 657 (El Hogar, e. Costa Rica; coll. Carnegie Mus.). 
@ Twelve specimens. b Nine specimens, from Costa Rica. 
Locality. Wing. | Tail. ae Tarsus. wie 
MALES. 
Ten adult males from Costa Rica..............0.eeeeeeeeee eee 97.3 90.7 54.2 21 181 
Two adult males from western Panam4..............-2.-.--+++ 94.7 85 55.5 21.2 18 
81255°—Bull. 50—11——18 
