514 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



tail, 82.5-92 (85.9); exposed ciilmen, 17-19.5 (18.2); tarsus, 16.5-18 

 (17.3); middle toe, 9.5-11 (10.3).« 



AdvU female. —Length (skins), 162-189 (174); wing, 95-111 (100.6); 

 tail, 75.5-86 (80); exposed culmen, 17-20.5 (18.3); tarsus, 16-17 

 (16.5); middle toe, 9.5-10.5 (9.8).^ 



Central and southern Mexico, in States of Vera Cruz (Jalapa; Ori- 

 zaba; Mirador; Las Vigas; Cofre de Perote; Actopam; Teocelo), 

 Puebla (Chietla), Mexico (Chimalpa; Ixtapalapa; Tetelco), San Luis 

 Potosi (Sierras), Guanajuato, Durango (Ciudad Durango'^), Morelos 

 (Cuernavaca) , Jalisco (Bolanos), Sinaloa (Escuinapa; Mazatlan), 

 Michoacan (Uruapan), Colima (jManzanillo ; Colima; plains of Colima), 

 Guerrero (Chilpancingo ; Amula; Rincon; El Limon; Omilteme), 

 Oaxaca (Tlalpancingo ; La Parada; Cinco Senores), and Chiapas (Com- 

 itan; Gineta Mountains) and Territory of Tepic (Tepic), and south- 

 ward over highlands of Guatemala (Totonicapam; Coban; Hacienda 

 Chancol; Volcan de Agua; Volcan de Fuego) to British Honduras 

 (pine ridge nearCayo). 



(?) Tyranmda musica Swainson, Philos. Mag., n. s., i, 1827, 368 (Mexico; coll. 

 Bullock Mus.). 



Contopus musicus Salvin and Godman, Biol. Centr.-Am., Aves, ii, sig. 11, Mar., 

 1889, 81 (Volcan de Agua and Volcan de Fuego, Guatemala; southern pine 

 ridge, near Cayo, British Honduras). 



Contopus horealis ( not Tyrannus borealis Swainson) Sclater, Proc. Zool. Soc. 

 Lond., 1858, 301 (La Parada, Oaxaca); 1859, 44, 366 (Jalapa, Vera Cruz), 384 

 Cinco Seiiores, Oaxaca). — Sclater and Salvin, Ibis, 1859, 122 (Guatemala). 



C[ontopus] pertinax. Cabanis and Heine, Mus. Hein., ii, Sept., 1859, 72 (Jalapa, 

 Vera Cruz, Mexico; coll. Mus. Hein.; ex Myiarchus pertinax Lichtenstein, 

 Nom. Av. Mus. Berol., 1854, 16, =nomen nudum). — Ridgway, Man. N. Am. 

 Birds, 1887, 337, part. 



Contopus pertinax Sclater, Cat. Am. Birds, 1862, 231 (Volcan de Fuego, Guate- 

 mala); Cat. Birds Brit. Mus., xiv, 1888, 235 (Plains of Colima; Ciudad Du- 

 rango; Jalapa, Vera Cruz; Volcan de Agua, Volcan de Fuego, and Calderas, 

 Guatemala).— Salvin, Ibis, 1866, 203; Cat. Strickland coll., 1882, 314 (Santa 

 Gertrudis).— SuMiCHRAST, Mem. Bost. Soc. N. H., i, 1869, 557 (Vera Cruz).— 



a Fourteen specimens. 

 b Six specimens. 



Locality. 



MALES. 



Nine adult males from Vera Cruz (8) and Morelos (1) 



Three adult males from Oaxaca, Guerrero, and Michoacan.. 

 Two adult males from Guatemala and Chiapas 



FEMALES. 



Two adult females from Vera Cruz 



Two adult females from Oaxaca and Sinaloa 



Two adult females from Chiapas 



Wing. 



107.6 

 110.2 

 107.5 



95.5 

 105.5 

 100.8 



Tail. 



7«.3 

 83.3 

 80.5 



Middle 

 toe. 



10.2 

 10.5 

 10 



10.3 

 10 

 9.3 



cintermediate between this form and M. p. pallidiventris. 



