110 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



BALANOSPHYRA FORMICIVORA STRIATIPECTUS (Ridgway). 



STREAKED-CHESTED WOODPECKER. 



Similar to B. f. formicivora, 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 (skms), 193-238 (212); wing, 134-147 (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); wmg, 132.5-147 

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

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



Southeastern Honduras (Rio Segovia), through Nicaragua (^lata- 

 galpa; San Rafael del Norte; Ocotal; Rio Grande) and Costa Rica 

 (Birris, Azahar, La Estrella, Naranjo, and Cartago, de Cartago; 

 Volcan de Irazii; San Jose; La Palma de San Jose; Escazu; El Zarcero 

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

 vantes; Santa Maria, Laguaria, and Copey, de Dota), and western 

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



Ilelanerpes formicivo7-us {not Picas formicivorus Swainson) Sclater, Proc. Zool. 

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

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

 Joum. fiir Orn., 1862, 322 (Costa Rica; crit.).— Lawrence, Ann. Lye. N. Y., 

 ix, 1868, 131 (San Jose, Barranca, Dota, and Birris, Costa Rica). — Frantzius, 

 Journ. fiir Orn., 1869, 364 (Costa Rica). — Salvin, Proc. Zool. Soc. Lond., 

 1870, 213 (Volcan de Chiriqui, w. Panama). — Boucard, Proc. Zool. Soc. 

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

 Ridgway, Proc. XJ. S. Nat. Mus., v, 1883, 497 (Volcan de Irazu); x, 1888, 591 

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

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

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



o Twenty-six specimens. 



b Twenty-four specimens. 



Locality. 



Wing. 



Tail. 



Ex- 

 posed 

 culmen, 



Tarsus. 



Outer 

 ante- 

 rior toe. 



MALES. 



Three adult males from southern Hondiu'as (Rio Segovia) 



Three adult males from northern Nicaragua 



Ten adult males from Costa Rica 



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 

 75.5 



78.4 



82.4 

 77.3 



77.1 



28.2 

 27 

 26.6 

 26.4 



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 



