48 TYRANNIDZ. 
The bill of Mytodynastes, like that of the genera just dealt with, is strong, but not 
so elongated as that of Pitangus, being wider at the gape, the proportion of which to 
the length of the tomia is rather more than | to 2, the sides are slightly convex, the 
supranasal feathers and nostrils are as in Pitangus, the tarsi and toes are moderately 
strong; the 2nd and 3rd quills are the longest, lst=6th; tail moderate and nearly 
square, <3 wing, tarsus=% wing. 
a. Corpus subtus, pectore et lateribus guttatis. 
1. Myiodynastes luteiventris. 
Myiodynastes luteiventris, Bp. Compt. Rend. xxxvili. p. 657'; Not. Orn. p. 87? (descr. nulla) ; Scl. 
P. Z.S. 1859, pp. 42°, 8366 *, 883 °, 1864, p.176°; Cat. Birds Brit. Mus. xiv. p. 1837; Moore, 
P. Z. 8S. 1859, p. 56°; Scl. & Salv. Ibis, 1859, p. 120°; P. Z. 8. 1870, p. 837"; Cab. & 
Heine, Mus. Hein. il. p. 75"; Cab. J. f. Orn. 1861, p. 250"; Sumichrast, Mem. Bost. 
Soc. N. H.i. p. 557%; Lawr. Ann. Lyc. N. Y. ix. p. 114"; Bull. U. S. Nat. Mus. no. 4, 
p. 26"; Mem. Bost. Soc. N. H. ii. p. 287°; v. Frantz. J. f. Orn. 1869, p. 30877; Salv. 
Ibis, 1872, p. 818; Tacz. P. Z. S. 1874, p. 5377°, 1882, p. 21°°; Henshaw, Wheeler’s 
Rep. v., Zool. p. 346, t. 14 (1875)”; Boucard, P. Z. 8. 1883, p. 448”; Ridgw. Man. N. 
Am. B. p. 832”; Tacz. Orn. Pér. 11. p. 290. 
Tyrannus audax ?, Scl. P. Z. 8. 1856, p. 297”. 
Supra pallide brunneus, vix olivaceo lavatus, plumis singulis medialiter nigricantibus; uropygio et cauda castaneis, 
illo nigro guttato hujus rectricibus medialiter nigricantibus ; alis quoque nigricantibus, secundariis et tectri- 
cibus omnibus albido distincte extrorsum limbatis; capite summo crista celata flava ornato, fronte cana, 
superciliis et stria malari utrinque albidis: subtus sulphureus, gutture albo, mento et stria utrinque gule 
nigricantibus, pectore et hypochondriis conspicue nigro striatis: rostro nigricante, mandibule basi pallida ; 
pedibus nigris. Long. tota 7-75, ale 46, caude 3-4, tarsi 0°75, rostri a rictu 1:15. (Descr. maris ex 
Jalapa, Mexico. Mus. nostr.) 
2 mari similis. 
Hab. Nortu America, Arizona ?!.—MeExico, Rio Comacho in Nuevo Leon (Ff. B. Arm- 
strong), Sierra Madre above Ciudad Victoria in Tamaulipas (W. B. Richardson), 
Yaleta in Sonora (W. Lloyd), Mazatlan (Grayson }°, Xantus 16), Presidio near 
Mazatlan (A. Forrer), mountains of Colima (Xantus 1°), Acapulco (Mrs. H. H. 
Smith), State of Vera Cruz (Sumichrast 8), Jalapa™ (de Oca*, M. Trujillo), Cor- 
dova (Sallé 4+”), Juquila (Boucard?), Orizaba (Botteri +), Atoyac (Mrs. H. H. Smith), 
Tapana (Sumichrast 1°), Buctzotz in Yucatan (G. F. Gaumer); Britisn Honpuras, 
Belize (Blancaneaux); GUATEMALA (Skinner ®"), Peten (Leyland 8), Savana of Santo 
Toribio (0. S.), Cahabon, Choctum (0. 8S. & F. D.G.), Escuintla (ZL. Fraser) ; 
Honpuras, San Pedro (G. M. Whitely}°); Satvapor, La Union (J. M. Dow); 
Nicaragua (Delattre!?), Chontales (Janson !*); Costa Rica (Hoffinann ®), Irazu 
(H. Rogers), Barranca 14, Turrialba 14, and Santa Rosa? (Carmiol), Birris (Zeledon 14), 
San Mateo !", Cervantes!’ (v. Frantzius); Panama (M‘Leannan). — Eastern 
EcuabDor; Peru *4. 
Bonaparte’s name for this species was based upon specimens brought from Nicaragua 
