110 BULLETIN 50, UNITEO STATES NATIONAL MUSEUM. 



BALANOSPHYRA FORMICIVORA STRIATIPECTUS (Ridgway). 



STKEAEED-CHESTED WOOSFECKES. 



Similar to B. f. formidvora, but with whole chest streaked with 

 white or else with only a narrow band of uniform black across anterior 

 margin, white area on proximal portion of remiges smaller, lower 

 throat much more decidedly yellow, color of back, etc., more bluish 

 (less greenish) black, and upper tail-coverts usually margined ter- 

 minally" with black. 



Adult male.— Length, (skins), 193-238 (212); wing, 134r-147 (141.1); 

 tail, 69-84.5 (77.1); culmen, 25-29 (26.7); tarsus, 21-25 (22.6); outer 

 anterior toe, 17-20 (18.5).° 



Adult female.— Length, (skins), 193-230 (209); wing, 132.5-147 

 (139.6); tail, 74-86 (78.5); cuhnen, 23-27 (25.3); tarsus, 20.5-23 

 (22); outer anterior toe, 17-19.5 (18.1).'' 



Southeastern Honduras (Rio Segovia), through Nicaragua (Mata- 

 galpa; San Rafa61 del Norte; Ocotil; Rio Grande) and Costa Rica 

 (Binis, Azah&r, La Estrella, Naranjo, and Cartago, de Cartago; 

 Volcan de Irazii; San Josd; La Pahna de San Jos6; Escazd; El Zarcero 

 de Alajuela; Grdcia; Monte Redondo; Barranca; Coliblanco; Cer- 

 vantes; Santa Maria, Lagudria, and CopSy, de Dota), and western 

 Panama (Volcan de ChiriquI, Boquete, and David, de Chiriqui). 



Melanerpes formicivorus (not Pirns fomddvorus Swainson) Sclatbk, Proc. Zool. 

 Soc. Lond., 1856, 143 (David, Chiriqui, w. Panama). — (?)Moobe, Proc. Zool. 

 Soc. Lond., 1859, 60, part ("Chilomo," i. e. Chaloma, Hondurae). — Cabanis, 

 Joum. ftir Om., 1862, 322 (Costa Kica; crit.). — La whence, Ann. Lye. N. Y., 

 ix, 1868, 131 (San Jos6, Barranca, Dota, and Birris, Costa Rica). — Feantzius, 

 Joum. fur Om., 1869, 364 (Costa Rica). — Salvin, Proc. ZooL Soc. Lond., 

 1870, 213 (Volcan de Chiriqui, w. Panama) .^Boucaed, Proc. ZooL Soc. 

 Lond., 1878, 49 (Volcan de Irazti and Naranjo de Cartago, Costa Rica). — 

 RiDGWAT, Proc. U. S. Nat. Mus., v, 1883, 497 (Volcan de Irazd); x, 1888, 591 

 (Rio Segovia, s. Honduras). — Zelbdon, Cat. Aves de Costa Rica, 1882, 23; 

 Proc. U. S. Nat. Mus., viii, 1885, 111 (Costa Rica); Anal. Mus. Nac. Costa 

 Rica, i, 1887, 124 (Cartago, Monte Redondo, Barranca, Zarcero de Alajuela, 



1 Twenty-six specimens. 



6 Twenty-four specimens. 



Locality. 



Wing. 



TaU. 



Ex- 



)osed 



culmen. 



Tarsus. 



Outer 



ante- 

 rior toe. 



MALES. 



Tlirce adult males from southern Honduras (Klo Segovia) 



Three adult males from northern Nicaragua 



Ten adult males from Costa Bica 



Ten adult males from western Panama 



FEMALES. 



Six adult females from northern Nicaragua 



Ten adult females from Costa Rica 



Eight adult females from western Panama 



143.3 

 142.3 

 141.2 

 139.9 



142.7 

 138.1 

 139.2 



75.7 

 79.5 

 76.5 

 78.4 



82.4 

 77.3 

 77.1 



27 



25.5 

 24.9 

 25.3 



23.8 

 22.7 

 22.8 

 21.9 



21.9 

 22.2 

 22 



19.3 

 19.3 

 18.3 

 18.3 



18.6 

 17.8 

 18.1 



