578 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



and I'arranca, Costa Rica). — Botcard, Proc. Zool. Soc, Lond., 1878, 51 (San 

 Jose, Cartago, andNaranjo, Costa Rica). — Salvin and Godman, Biol. Centr.- 

 Am., Aves, i, 1880, 100, part.— Sharpe, Cat. Birds Brit. Mus., vi, 1881, 252, 

 part (Chontales, Nicaragua; Irazu distr., Tucurrique, Barranca, and San Jose, 

 Costa Rica) .— Zeledon, Proc. U. S. Nat. Mus., viii, 1885, 105 (Costa Rica); 

 Anal. Mus. Nac. Costa Rica, i, 1887, 106 (San Jose, Santa Maria de Dota, 

 Monte Redondo, and Cartago, Costa Rica). — Cherrie, Auk, viii, 1891, 275 

 (localities in Costa Rica; habits; descr. nest and eggs; crit. ; measurements, 

 etc.).— Richmond, Proc. U. S. Nat. Mus., xvi, 1893, 483 (Rio Escondido, 

 Nicaragua; habits). 



[Troglochjtes] inlermedius Gray, Hand-list, i, 1869, 191, no. 2617. 



T\_roglodytcs] intermedius Ridgway, Man. N. Am. Birds, 1887, 554, part. 



Troglodytes furvus intermedius Ridgway, Proc. U. S. Nat. Mus., x, Aug. 6, 1888, 

 585 (Segovia R., Honduras). 



Troglodytes musculus intermedins Oberholsek, Proc. U. S. Nat. Mus., xxvii, no. 

 1354, Jan. 23, 1904, 205 (crit.). 



Troglodytes inquietus (not of Baird) Lawrence, Ann. Lye. N. Y., ix, 1868, 93 

 (Costa Rica). 



Troglodytes furvus (not MotaciUa furva Gmelin) Zeledon, Cat. Aves de Costa 

 Rica, 1882, 3. 



TROGLODYTES MUSCULUS HYPAEDON (Sclater). 

 OAXACA HOUSE WREN. 



Similar to T. m. interniedius, but upper parts deeper and more red- 

 dish brown, under parts slightl}^ deeper in color (especially on flanks), 

 and size slightly smaller. 



Adult male. — Length (skins), 98-111 (105); wing, 47-54 (48.6); tail, 

 35-40 (37); exposed culmen, 12.5-13.5 (12.9); tar.sus, 17-19 (18); middle 

 toe, 12-14 (12. 4). « 



Adidt female.— IjQngih (skins), 100-113 (105.2); wing, 47-50 (48); 

 tail, 34-40 (36.8); exposed culmen, 12-12.5 (12.3); tarsus 18; middle 

 toe, 12-13 (12.7).* 



"Twelve specimens. 



6 Six specimens. 



Specimens from Yucatan compare in average measurements with those from Chia- 

 pas as follows; average measurements of Costa Rican specimens {T. i. intermedius) 

 being given for further comparison: 



The difference in coloration between specimens from southern Mexico and those 

 from Costa Rica is exceedingly slight and may prove inconstant. 



