780 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
TROGONURUS AURANTIVENTRIS UNDERWOODI (Bangs). 
UNDERWOOD’S TROGON. 
Similar to T. a, aurantiwentris and T. puella but posterior under 
parts orange-red (flame scarlet to salmon-pink) instead of orange 
(aurantviventris) or geranium red (T. puella). 
Adult male—tLength (skins), 226-255 (239); wing, 122.5-131 
(127.1); tail, 130-144 (136.9); culmen, 17-18 (17.4); tarsus, 14-16 
(15); inner anterior toe, 12-14 (13.1).¢ 
Adult female.—Length (skin), 242; wing, 126-133 (128.7); tail, 
135-143 (138.9); culmen, 16-17.5 (16.5); tarsus, 14-15 (14.4) 
inner anterior toe, 11.5-13 (12.5).¢ 
Northwestern Costa Rica (Barranca; Cerro Santa Maria; Tenério; 
La Hondura; Voleén de Miravalles). (Possibly also northward to 
Vera Cruz, Mexico; see references in synonymy.) 
(?)Trogon sallzt Bonaparte, Compt. Rend., xlii, 1856, 955 (Orizaba, Vera 
Cruz). 
(?)P[othinus] sallaei CaBanis and Heine, Mus. Hein., iv, 1863, 183 (Mexico; 
crit.). 
(?) Trogon aurantiiventris (not of Gould) Sctater, Proc. Zool. Soc. Lond., 1856, 
286 (Cérdova, Vera Cruz).—Satvin, Ibis, 1866, 194 (Chocttiim, Vera Paz, 
Guatemala). 
(?)Trogon auranteiventris Grant, Cat. Birds Brit. Mus., xvii, 1892, 454, part 
(Chocttim). 
(?)[ Trogon] aurantiiventris Gray, Hand-list, i, 1869, 83, no. 984, part (Mexico).— 
SciatTer and Savin, Nom. Av. Neotr., 1873, 104, part (Mexico). 
(?)P[othinus] aurantiiventris Capanis and Heinz, Mus. Hein., iv, 1863, 182, 
part (Cérdova). 
Trogon aurantiiventris (not of Gould) Lawrencr, Ann. Lyc. N. Y., ix, 1868, 
118 (Barranca, n. w. Costa Rica).—Frantzrus, Journ. fir Orn., 1869, 312 
(Costa Rica).—Ze.ep6n, Proc. U. S. Nat. Mus., viii, 1885, 109 (Costa Rica); 
Anal. Mus. Nac. Costa Rica, i, 1887, 120 (Barranca).—Unprrwoon, Ibis, 
1896, 444 (Volc4n de Miravalles, Costa Rica). 
[Trogon] aurantiiventris ScLateR and Satvin, Nom. Av. Neotr., 1873, 104, part. 
Trogon auranteiventris Grant, Cat. Birds Brit. Mus., xvii, 1892, 454, part (Bar- 
ranca). 
Trogon puella (not of Gould) Savin and Gopman, Biol. Centr.-Am., Aves, ii, 
1896, 491, part (Barranca). 
[Trogon] puella SHarre, Hand-list, ii, 1900, 148, part. 
Trogon underwoodi Banas, Proc. New Engl. Zool. Club, iv, March 19, 1908, 24 
(Volc4n de Miravalles, n. w. Costa Rica; coll. E. A. and O. Bangs); Proc. 
Biol. Soc. Wash., xxii, 1909, 30 (Tendério and Cerro Santa Maria, n. w. Costa 
Rica; crit.). 
Trogon aurantiiventris underwoodt CaRRIKER, Ann. Carnegie Mus., vi, ‘‘August 
29”=Sept. 7, 1910, 558 (highlands of n. w. Costa Rica; crit.). 
@ Right specimens. b One specimen. ¢ Four specimens. 
