572 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



9.65 (9.40); depth of bill at base, 8.13-8.64 (8.38); tarsus, 14.99-16.76 

 (16.00); middle toe, 10.92-12.19 (11.68).' 



Young male. — Similar in color to adult female. 

 Southern Mexico, in States of Vera Cruz (hot and temperate regions), 

 Oaxaca (Playa Vicente, Guichicovi, etc.^) south through more eastern 

 parts of Central America to Costa Rica (Angostura, Pacuare, Turrialba, 

 San Carlos, San -lose, Las Trojas, Angostura, Sipurio, Naranjo, Puerto 

 Limon, etc.). 



Spermophila corvina Sclater, Proc. Zool. Soc. Lond., 1859, 379 (Playa Vicente, 

 Oaxaca, s. Mexico; coll. P. L. Sclater); Cat. Ann. Birds, 1862, 105 (Oaxaca; 

 Honduras) ; Ibis, 1871, 16 (monogr. ). — Sclater and Salvin, Ibis, 1860, 33 

 (Yzabal, Guatemala); Proc. Zool. Soc. Lond., 1867, 278 (Bluefields, Nica- 

 ragua); 1870, 836 (San Pedro, Honduras). — Lawrence, Ann. Lye. N. "Y., 

 viii, 1865, 180 (Greytown, Nicaragua); ix, 1868, 102 (Angostura, Pacuare, 

 and Turrialba, Costa Rica) ; Bull. U. S. Nat. Mus. , no. 4, 1876, 20 (Guichicovi, 

 Oaxaca) . — Frantzius, Journ. fiir Orn., 1869, 301 (Costa Rica). — Sumicheast, 

 Mem. Bost. Soc. N. H., i, 1869, 551 (hot and temp, reg.. Vera Cruz).— 

 Salvis, Ibis, 1872, 317 (Chontales, Nicaragua). — Boucard, Proc. Zool. Soc. 

 Lond., 1878, 58 (San Carlos, Costa Rica) . — Zeledon, Cat. Aves de Costa Rica, 

 1882, 8.— Nutting, Proc. U. S. Nat. Mus., vi, 1884, 401 (Los Sdbalos, e. 

 Nicaragua^). — Salvin and Godman, Biol. Centr.-Am., Aves, i, 1885, 355.— 

 Sharpe, Cat. Birds Brit. JIus., xii, 1888, 137. 

 [I'iyrinorhynckus] cormnus Gray, Hand-list, ii, 1870, 106, no. 7593. 

 [Spermophila] roriina Sclater and Salvin, Nom. Av. Neotr., 1873, 28. 

 Sporophila corviaa Cassin, Proc. Ac. Nat. Sci. Phila., 1865, 169 (San Jos6, Costa 

 Rica). — Zeledon, An. Mus. Nac. Costa Rica, i, 1887, 111 (Jimenez, Las 

 Trojas, and Angostura, Costa Rica). — Ridgway, Proc. U. S. Nat. Mus., x, 

 1887, 580 (Segovia R., Honduras).— Richmond, Proc. U. S. Nat. Mus., xvi, 

 1893, 492 (Rio Escondido, Nicaragua; habits; descr. nest and eggs). 

 8. [porophila^ eorvina Ridgway, Man. N. Am. Birds, 1887, 450. 

 Spermophila badiiveniris Lawrence, Ann. Lye. Nat. Hist. N. Y., viii, 1865, 172 

 (Greytown, Nicaragua; U. S. Nat. Mus.). — Baird, Trans. Chicago Ac. Sci., 

 i, 1869, 319, pi. 28, fig. 3. 

 [Gyrinorhynchua'] badiiventris Gray, Hand-list, ii, 1870, 106, no. 7594. 

 [Sporophila] badiiveniris Giebel, Thes. Orn., iii, 1877, 518. 



^Twelve specimens. 



MeasurenKsnts average as follows, according to locality: 



Locality. 



Wing:. 



Tail. 



Ex- 

 posed 

 culmen. 



Depth 

 of biU 

 at base. 



Middle 

 toe. 



MALES. 



Nine adult males from Costa Rica and Nicaragua. 



Five adult males from Honduras 



Five adult males from Guatemala 



FEMALES, 



Eight adult females from Costa Rica and Nicaragua 



Two adult females from Honduras 



One adult female from Guatemala 



One adult female from City of Mexico 



I 



54,10 

 54.61 

 ft5.37 



52,83 

 53.85 

 52,07 

 55,12 



44,70 

 4,5,21 

 46,74 



42,67 

 41,91 

 43.69 

 44.96 



9,40 

 9.65 

 9,40 



9,40 

 9.66 

 9,40 

 9,14 



8,13 

 8.13 



15.76 

 16,75 

 16,00 



16,00 

 16,00 

 15,49 

 16,26 



ii,e 



U,( 



n,68 



1143 

 U.18 

 11,68 



^ In the collection of the American Museum of Natural History, NeV York City, 

 there is a specimen (No, 41263, female) which is labeled "City of Mexico." 



'Not n'e.itern Nicaragua, as stated in the Biologia Centrali-Americana (i, p. 356), but 

 on the lower portion of the San Juan River. 



