744 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Setophaga belli Baikd, Stansbury's Rep. Gt. Salt Lake, 1852, 329 ("Texas"). 



ISetophagal belii Gray, Hand-list, i, 1869, 245, no. 3556, part. 



BasiUuierua belli Sclater, Proc. Zool. Soc. Lond., 1855, 65 (crit.) ; 1859, 374 (Llano 

 Verde and Totontepec, Oaxaca). — Baikd, Rep. Pacific R. R. Surv.,ix, 1858, 

 305 (synonymy); Review Am. Birds, 1865, 250, part (Orizaba, Vera Cruz).— 

 SuMicHRAST, Mem. Bost. Soc. N. H., i, 1869, 546 (temp. reg. Vera Cruz).— 

 Baird, Brewer, and Ridgway, Hist. N. Am. Birds, i, 1874, 313, part (Mex- 

 ico). — CouES, Birds Col. Val., 1878, 335 (synonymy). — Ridqway, Norn. N. 

 Am. Birds, 1881, no. 134.— Salvin and Godman, Biol. Centr.-Am., Aves.,i, 

 1881, 174, part.— Sharpe, Cat. Birds Brit. Mus., x, 1885, 395, part (near City 

 of Mexico; Jalapa and Orizaba, Vera Cruz; Llano Verde, Oaxaca). — Ameri- 

 can Ornithologists' Union, Check List, 1886, no. 693, part. 



[Basileuterns'] belli Sclater and Salvin, Nom. Av. Neotr., 1873, 10, part. 



B\asileuterua\ belli Ridgway, Man. N. Am. Birds, 1887, 532, part. 



Basileuterus bellii Sclater, Cat. Am. Birds, 1862, 35 (Orizaba). — Ridgway, Proc. 

 U. S. Nat. Mus., iii, 1880, 216. 



Basileuterus chrysophrys Bonaparte, Consp. Av., i, 1850, 314 (Real Ariba, Mexico; 

 coll. Berlin Mus.; ex Sylna chrysophrys Lichtenstein, manuscript). — Scla- 

 ter, Proc. Zool. Soc. Lond., 1857, 202 (Jalapa, Vera Cruz). 



BASILEUTERUS BELLI SCITULUS Nelson. 



GUATEMALAN WARBLER. 



Similar to _5. h. helli but larger; olive-green of upper parts darker 

 or duller; chestnut of crown and sides of head lighter and brighter, 

 the latter involving more (sometimes most) of loral region; yellow of 

 under parts averaging slightly brighter. 



Adult male.— Length, (skins) 114-127 (123.2); wing, 56-66 (63.5); 

 tail, 52-62 (58.7); exposed culmen, 9.5-10.6 (10); tarsus, 20-22 (21).' 



Adult female. — Length (skins), 125; wing, 55-61 (58); tail, 53-58 

 (55.5); exposed culmen, 10; tarsus, 21. 5. '^ 



Highlands of Guatemala (Coban, Volcan de Fuego, Volcan de Agiia, 

 Duefias, Todos Santos, Uspan tan-Quiche, etc.) and Chiapas (San Cris- 

 tobal).'' 



Basileuterus belli (not Musdcapa belli Giraud) Salvin and Sclater, Ibis, 1860, 31 

 (Coban, Guatemala). — Baird, Review Am. Birds, 1865, 250, part (Coban ).— 

 Baird, Brewer, and Ridgway, Hist. N. Am. Birds, i, 1874, 313, part (Gua- 

 temala). — CouES, Birds Col. Val., 1878, 335, part (synonymy). — Boucakd, 

 Lists Ois. Guat., 1878, 30. — Salvin and Godman, Biol. Centr.-Am., Aves,i, 



' Four specimens. ^ Two specimens. 



'Specimens from San Cristobal are in reality intermediate between Guatemalan 

 examples (true B. b. sciluhis) and B. b. belli, having the darker olive-green upper 

 parts of the former and the chiefly blackish lores of the latter. They are also inter- 

 mediate in size, specimens averaging as follows: 



