BIRDS OF NORTH AND MIDDLE AMERICA. 239 
XIPHOCOLAPTES EMIGRANS OMILTEMENSIS Nelson. 
GUERRERO WOODHEWER. 
Similar to X. e. sclatert but still larger; general coloration duller 
and slightly paler, the under parts less rufescent, and lower throat 
more streaked (as in _Y. e. emigrans). 
Adult male.—Length (skins), 311-327 (319); wing, 138-148.5 
(143.2); tail, 126; culmen, 53-55.5 (54.2); tarsus, 31.5-33 (82.2); 
middle toe, 27.5-29 (28.2). 
Adult female—Length (skins), 307-316 (311); wing, 137-144 
(140.5); tail, 110-110.5 (110.2); culmen, 56-57 (56.5); tarsus, 29.5- 
32.5 (31); middle toe, 26-27.5 (26.7).2 
Southwestern Mexico, in State of Guerrero (Omilteme). 
Xiphocolaptes emigrans (not of Sclater and Salvin) Satvin and Gopman, Biol. 
Centr.-Am., Aves, ii, 1891, 183, part (Omilteme, Guerrero). 
Xiphocolaptes emigrans omiltemensis NELSON, Proc. Biol. Soc. Wash., xvi, Nov. 
80, 1908, 153 (Omilteme, Guerrero, s. w. Mexico; coll. U. 8. Nat. Mus.). 
XIPHOCOLAPTES EMIGRANS COSTARICENSIS Ridgway. 
CARTAGO WOODHEWER. 
Similar to X. e. emagrans but slightly larger (except bill) and with 
under parts more extensively (or more distinctly) streaked. 
Adult male.—Length (skin), 305; wing, 145.5; tail, 117; culmen, 
52; tarsus, 32; middle toe, 27.5.2 
Adult female.—Length (skins), 285-308 (295); wing, 134-140 (136); 
tail, 102-117 (108); culmen, 44.5-50 (47.7); tarsus, 32; middle toe, 
27.5-28.5 (28).° 
Highlands of Costa Rica (Naranjo and Azahar, Cartago; Juan 
Vifias; Guayabo). 
Xiphocolaptes emigrans costaricensis Rrpaway, Proc. U. 8. Nat. Mus., xi, sig. 34, 
Sept. 20, 1889, 541 (Naranjo de Cartago, Costa Rica; coll. U. 8. Nat. Mus.); 
xii, 1890, 8 (monogr.).—ZELEDON, Anal. Mus. Nac. Costa Rica, i, 1887, 114.— 
Carriker, Ann. Carnegie Mus., vi, 1910, 655 (Costa Rica).—Frrry, Pub. 
146, Field Mus. N. H., orn. ser., i, no. 6, 1910, 271 (Guayabo, Costa, Rica). 
[ Xtphocolaptes] costaricensis SHarps, Hand-list, iii, 1901, 81. 
Xiphocolaptes emigrans (not of Sclater and Salvin) Scuater, Cat. Birds Brit. 
Mus., xv, 1890, 145, part (Costa Rica).—Satvin and Gopman, Biol. Centr.- 
Am., Aves, ii, 1891, 183, part (Naranjo de Cartago, Costa Rica). 
Genus XIPHORHYNCHUS Swainson. 
Xiphorhynchus Swatnson, Philos. Mag., i, June, 1827, 440. (Type, X. flavigaster 
Swainson; see Oberholser, Smithson. Misc. Coll., xlviii, no. 1579, 1905, 62.) 
Dendrornis Eyton, Jardine’s Contr. Orn., 1852, 23. (Type, D. susurrans Jardine.) 
Large Dendrocolaptide (length about 200-260 mm.) with roundish, 
nonoperculate nostrils, nearly straight bill, and wing less than 120 mm. 
@ Two specimens. b One specimen. ¢ Three specimens. 
