744 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Sel()pha(j<i heUi Baird, Stan.sbiiry's Rep. Gt. Salt Lake, 1852, 329 ("Texas"). 



l^SetuplxKjal hel'd Gr.w, Hand-list, i, LS69, 245, no. 3556, part. 



Bas'denterns belli Sclatek, Proe. Zool. See. Lond., 1855, (>5 (crit.) ; 1859, 374 (Llano 

 Verde and Totontepec, Oaxaca). — Baird, Rep. Paciflc R. R. Surv., ix, 1858, 

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

 Sumichrast, Mem. Boat. 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). — Ridgway, Nom. 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 Ornitholo(;ists' Union, Check List, 1886, no. 693, part. 



[Basileuterus] belli Sclatek and Salvin, Nom. A v. Neotr., 1873, 10, part. 



B{^asihulerns] 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. 



Bdfiileuterus cTirysophrys Bonaparte, Consp. Av., i, 1850, 314 (Real Ariba, Mexico; 

 coll. Berlin Mus.; ex Sylina clinixoplirys Lichtenstein, manuscript). — Scla- 

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



BASILEUTERUS BELLI SCITULUS Nelson. 



GUATEMALAN WARBLER. 



Similar to B. h. heUl but Itiroor; olive-green of upper parts darker 

 or duller; chestnut of crown and sides of head lighter and l)righter, 

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

 under parts averaging slightly brighter. 



Adult iiuile.—l^Qngih (skins) 114-127 (123.2); wing, 56-65 (62.5); 

 tail, 52-62 (58.7); exposed culmen, 9.5-10.5 (10); tarsiLS, 20-22 (21).' 



Adnlt female.— l^Qu^ih (skins), 125; wing, 5.5-61 (58); tail, 53-58 

 (55.5); exposed cidmen, 10; tarsus, 21.5." 



Highlands of Guatemala (Coban, Volcan de I^'uego, Volcan de Agua, 

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

 tobal).' 



Basdleuterus belli (not M^iRncapa belli Giraud) Salvin and Sclater, Ibis, 1860, 31 

 (Coban, Guatemala). — Baird, Review Am. Birds, 18()5, 250, ])art (Coban).— 

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

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

 Liste 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. .mtulus) and B. b. belli, liaving the darker olivt!-green upper 

 parts of the former and the chiefly l)lackish lores of the latter. They are also inter- 

 mediate in size, specimens averaging as follows: 



Locality. 



Three adult males of B. b. belli from Oaxaca 



Two adult males from Chiapas 



Two adult males of B. h. seitulus from Guatemala 



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20.6 



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