Species of the Family Icteridse. 367 



Hab. S. Mexico, Yucatan, Guatemala, and throughout 

 Central America south to Venezuela and Colombia. 



Mus. P. L. S. et S.-G. 



Obs. Sp. interscapulio flavo a duabus sequentibus distin- 

 guenda. 



24. Icterus mesomelas. 



Psarocolius mesomelas ,V^ 'd^\. Isis, 1829, p. 755. 



Xanthornus mesomelas, Bp. Consp. i. p. 434. 



Icterus mesomelas, Sclater, P. Z. S. 1855, p. 154 (Bogota), 

 1856, p. 301 (Cordova), 1859, p. 58 (Omoa, Hond.), 1860, 

 pp. 277, 293 (Western Ecuador), et Cat. A. B. p. 133; 

 Sclat. et Salv. Ibis, 1860, p. 34 (Coban) ; P. Z. S. 1864, 

 p. 355 (Panama), 1867, p. 279 (Mosquitia), 1870, p. 838 

 (Honduras), 1879, p. 509 (Antioquia), et Nomencl. p. 36; 

 Cassin, Pr. Ac. Sc. Phil. 1860, p. 140 (R. Atrato), et 1867, 

 p. 51 ; Tacz. P. Z. S. 1877, p. 323 (Tumbez), et 1880, p. 200 

 (N. Peru) ; Sumichrast, Mem. Bost. Soc. N. H. i. p. 153 (Vera 

 Cruz) ; Lawr. Bull. U.S. N. M. no. 4, p. 23. 



Icterus atrigularis, Less. Cent. Zool. p. 73, pi. 22. 



Oriolus musicus, Cabot, Boston Journ. N. H. iv. p. 465. 



Icterus salvini, Cassin, Pr. Ac. Sc. Phil. 1867, p. 51 ; Scl. 

 et Salv. P. Z. S. 1870, p. 838; Lawr. Ann. Lye. N. Y. ix. 

 p. 104. 



Plavissimus ; interscapulio lato, alis extiis, fronte, oculorum 

 ambitu et gutture toto ad medium pectus nigerrimis ; 

 tectricibusalavu.mminoribus et subalaribus flavis; caudae 

 nigrse rectricibus tribus externis pro majore parte flavis ; 

 rostro et pedibus uigris : long, tota 8"5, alse 3'9, caudse 

 4*2. Fern. Mari similis. 



Hab. Southern Mexico and Guatemala and southwards to 

 Colombia, Ecuador, and Western Peru. Hot-region of Vera 

 Cruz and Tehuantepec {Sumichrast) ; Vera Paz [Salvin) ; 

 Antioquia [Salmon) ; Western Ecuador {Fraser) ; Western 

 Peru {Stolzmann) . 



Mus. P. L. S. et S.-G. 



7. salvini of Costa Rica and Colombia has been separated 

 mainly on account of the absence of the narrow white ex- 

 ternal edging of the outer secondaries. But this edging is 



