BIRDS OF NORTH AND MIDDLE AMERICA. 219 
alapa, Oaxaca; Cobén and Choctum, Guatemala).—Banes, Bull. Mus. 
Comp. Zool., xxxix, 1903, 150 (Yaruca, Honduras). 
[Automolus] cervinigularis Scuarer and Savin, Nom. Av. Neotr., 1873, 65, 
part.—Suarrr, Hand-List, iii, 1901, 67, part. 
[Ipoborus] cervinigularis He1inE and ReicHENow, Nomencl. Mus. Hein. Orn., 
1890, 134 (Mexico). 
[Philydor] cervinigularis Gray, Hand-list, i, 1869, 172, no. 2321. 
Automolus pallidigularis (not of Lawrence) Nutrine, Proc. U. 8. Nat. Mus., vi, 
1884, 404 (Los Sdbalos, Nicaragua).—Ripe@way, Proc. U. 8. Nat. Mus., xiv, 
1891, 471 (Santa Ana, Honduras).—Ricumonp, Proc. U. 8. Nat. Mus., xvi, 
1898, 497 (Rio Escondido, Nicaragua; habits; crit.). 
AUTOMOLUS CERVINIGULARIS HYPOPHAUS Ridgway. 
DARK-BREASTED AUTOMOLUS. 
Similar to A. c. cervinigularis but coloration decidedly darker, 
especially under parts of the body, which are isabella color medially 
darkening laterally into deep buffy olive, contrasting strongly and 
abruptly with the buff or ochraceous-buff of chin and throat. 
Adult male-—Length (skins), 168-189 (181); wing, 88-94 (91.7); 
tail, 70-76.5 (72.9); culmen, 22-25 (28.6); tarsus, 22.5-25 (23.2); 
middle toe, 18-20 (18.8).% 
Adult female—lLength (skins), 167-185 (176); wing, 83.5-89 
(85.3); tail, 64.5-75 (69.6); culmen, 21.5-24 (22.8); tarsus, 22-24 
(23.3); middle toe, 17.5-19.5 (18).¢ 
Caribbean slope of Costa Rica (Angostura; Siptrio; Talamanca; 
Rio Sicsola; Pacuare; Rio Reventazén; Jiménez; Carrillo; Tucurriqui; 
La Balsa; Guayabo; Guapiles; Cu&bre; El Hogér; Peralta; Turri- 
alba; Cariblanco de Sarapiqui; La Vijagua); western Panama (Santa 
Fé de Verégua; Boquete de Chitra) ? 
Automolus cervinigularis (not Anabates cervinigularis Sclater) Satvin, Proc. Zool. 
Soc. Lond., 1867, 143 (Santa Fé de Verd4gua, Panam4).—Lawrence, Ann. 
Lyc. N. Y., viii, 1868, 106 (Angostura, Costa Rica).—Franrzius, Journ. fiir 
Orn., 1869, 304 (Costa Rica)—Zrtepon, Anal. Mus. Nac. Costa Rica, i, 1887, 
118, part (Rio Sicio and Jiménez, Costa Rica).—Sciater, Cat. Birds Brit. 
Mus., xv, 1890, 91, part (Tucurriqui and La Balsa, Costa Rica; Santa Fé de 
Ver4gua, except specimen n.).—Satvin and Gopman, Biol. Centr.-Am., 
Aves, li, 1891, 158, part (Tucurriqui, Angostura, and La Balsa, Costa Rica; 
Boquete de Chitra and Santa Fé de Ver4égua, Panam4). 
[Automolus] cervinigularis SctaTER and Savin, Nom. Av. Neotr., 1873, 65, part.— 
SHarPe, Hand-list, iii, 1901, 67, part. 
Automolus cervinigularis hypopheus Ripaway, Proc. Biol. Soc. Wash., xxii, 
April 17, 1909, 72 (Rio Reventazén at Guayabo Station, Costa Rica; coll. 
U.S. Nat. Mus.).—Carrixer, Ann. Carnegie Mus., vi, 1910, 640 (Caribbean 
lowlands of Costa Rica, up to about 2,000 ft.; habits; descr. nest and eggs).--- 
Ferry, Pub. 146, Field Mus. N. H., orn. ser., i, no. 6, 1910, 270 (Guayabu, 
Costa Rica). 
a Ten specimens. 
