74. MYiAEcnrs. 257 



Myiarchus lawrencii olivascens, Bidffto. Proc. Biol. Soc. Wash ii 

 p. 91 ; ul. Man. N. A. B. p. 335. ' " 



Myiarchus platyrhynchus, Rhlfjiv. Proc. Biol. Soc. Wash, hi n 23 • 

 ul. Man. N. A. B. p. 335 (?). ' p ' ' 



Above dull olive-green; head brownish ; wings and tail blackish 

 with narrow rufous external margins : beneath, throat and neck 

 pale cinereous ; abdomen and under wing-coverts pale sulphur- 

 yellow; bill horn-colour; feet black: whole length 7 inches, wing 

 o-5, tail 3-4. Female similar. 



Hub. Mexico, Yucatan, Guatemala, and Honduras. 



No precise line can be drawn between this and the following 

 species, which pass gradually one into the other. (Of. Baird & 

 Brewer and Ridgw. N. A. B. ii. p. 333.) But I am inclined to 

 reter all the Guatemalan series to the present form. 



a Ad. sk. Mexico (Salle). Sclater Coll. 



ka i ■ Orizaba, Mexico (Botteri). Sclater Coll 



c. Ad. sk. Orizaba (Botteri). Purchased 



t / fo Sk i i S aZatl f"' > V " ^ exico i Forr ^)- Salvin-Godman Coll. 



e,f. d 2 ad. sk. Tres Manas I., W. Mexico Salvin-Godman Coll. 



(.borrer). 



g, h. Ad. sk. Northern Yucatan (Gaumer). Salvin-Godman Coll. 



7\ X i V°™me\ I. , Yucatan ( Gaumer). Salvin-Godman Coll. 



q. Ad. sk. Vicinity of Belize, Brit. Hon- Salvin-Godman Coll. 



duras (Blancaneaux). 



r. ? ad. sk. Sources of Rio de la Pasion, Salvin-Godman Coll. 



Guatemala (Salviti). 



s, t. Ad. sk. Coban, Vera Paz. O. Salvin, Esq. TP.]. 



<t 31 Duefias, Guatemala (Salvin). Salvin-Godman Coll 



». $ ad Lak Duefias (Fraser). Jardine Coll. 



w. $ ad. St. Volcan de Agua, above San Salvin-Godman Col . 



Biego (Salvm). 



x. Ad sk Volcan de Agua (Salvin). Sclater Coll. 



y. Vad.sk. Yaxcamiial,Guatemala(<S'aM»). Salvin-Godman Coll 



fc Jr. sk. Honduras (Mather). Sclater Coll. 



« . Jr. sk. Honduras. Bvson [C ] 



V. Ad. sk. San Pedro, Honduras (Whitely). Salvin-Godman Coll. 



14. Myiarchus nigricapillus. 

 Myiarchus lawrencii, Cab. J. f. O. 18151, p. 249; Lain- Ann L N Y 



vni. p. 182, et k. p 204; Frantz. J. f. O. 1809, p. 308 "(Costa 



Pica) ; Boucard, P. Z. S. 1878, p. 04. 

 Myiarchus lawrencii nigricapillus, Ridgw. P. U.S. N. M. vi. pp. 384 



393 (Nicaragua). ' 



Myiarchus nigricapillus, Scl. Cat. A. B. p. 233 ; Lawr. Ann L N. Y. 



ix p. 115 ; Sate. P. Z. S. 1867, p. 148, et 1870, p. 199 (Vera-rua) •' 



Scl et Salv. P.Z.S. 1867, p. 279 (Mosquitia): Frantz JfO 



I860, p. 308 (Costa Rica). 7 " 



Myiarchus tristis, var. nigricapillus, Baird, Brew, et Bideiw N.A B 



n. p. 333. 



Similar to M. kwrencii, but cap sooty black, and yellow abdomen 

 brighter. 



I lab. Costa Rica, Nicaragua, and Veragua. 



VOL. XIV. 



