182 CHECK-LIST OF NORTH AMERICAN BIRDS. 
449, Pitangus derbianus (KAuvp). 
Derby Flycatcher. 
Saurophagus derbianus Kaur, P. Z. 8S. 1851 (Oct. 1852), 44, pl. 
XXXVI. 
Pitangus derbianus SCLATER, P. Z. S. 1856 (Jan. 1857), 297. 
. [B—, C—, R 308, C 364.] 
Groc. Dist.— Valley of the Lower Rio Grande in Texas, south to 
northern South America. 
Genus MYIOZETETES Sc iater. 
Myiozetetes Sci. P. Z. S. 1859, 46. Type, Muscicapa cayennensis 
LINN. 
[450.] Myiozetetes texensis (GIRAUD). 
Giraud’s Flycatcher. 
Muscicapa texensis GIRAUD, Sixteen Sp. Texas B, 1841, pl. 1. 
Myiozetetes texensis Sci. P. Z. S. 1859, 56. 
[B—, C—, R 309, C—.] 
Groc. Dist.— “Texas” (GrRAUD), south to Central America and 
northern South America. 
Genus MYIODYNASTES Bonaparte. 
Myiodynastes BonaP. Bull. Soc. Linn. Normandée, II. 1857, 35 
(ex Bowap. Comptes Rend. XXXVIII. 1854, 657, nomen 
nudum). Type, A/uscicapa audax GMEL. 
451. Myiodynastes luteiventris Sct. 
Sulphur-bellied Flycatcher. 
Myiodynastes luteiventris Sci. P. Z. S. 1859, 42 (ex Bonap. 
Comptes Rend. XXXVIII. 1854, 657, nomen nudum). 
[B—, C —, R 310, C 365.] 
Geoc. Dist.— Southern Arizona, south to Panama. 
Genus MYIARCHUS Casanis. 
Mytarchus Cas. Arch. f. Naturg. 1844, 1, 272. Type, Muscicapa 
Jerox GMEL. 
