60. HYIODTNASTES. 133 



Upper tail-coverts uniform with back : 



I breast duller, slightly rlammulated .... 6. chrysocephalus, p. 187. 



j breast clear yellow, not flanimulated . . 7. hemichrysus, p. 188. 



1. Myiodynastes hiteiventris. 



Tyrannus audax, Sclater, P. Z. S. 1856, p. 297 (Mexico). 

 Myiodynastes luteiventer, Bp. Gom.pt. Rend, xxviii. p. 659, et Not. 



Orn. p. 87 ; Cab. et Hein. Mm. Hein. ii. p. 75 ; Sclater, P. Z. S. 



1859, pp. 43, 56, 366, 383, et 1804, p. 176 ; id. Ibis, 1859, p. 438 ; 



id. Cat. A. B. p. 223; Sclat. et Salv. Ibis, 1859, p. 120; iid. 



P. Z. S. 1870, p. 837 ; iid. Nomencl. p. 50 ; Cab. J. f. O. 1861, 



p. 250; Lawr. Ann. L. N. Y. ix. p. 114; Salv. Ibis, 1872, p. 318 ; 



Tacz. P. Z. S. 1874, p. 537, et 1882, p. 21 ; Boucard, P. Z. S. 



1878, p. 63, et 1883, p. 448 ; Ridgw. P. U. S. N. M. iii. pp. 186, 



218 ; id. Man. N. A. B. p. 332. 



Above pale brownish white, varied by numerous blackish shaft- 

 spots ; head with a concealed crest of bright yellow ; wings 

 blackish, lesser coverts like the back, greater coverts and secondaries 

 broadly margined with white externally ; tail bright ferruginous 

 red, shafts and adjacent median portions of both webs blackish ; 

 upper tail-coverts rufous with black shaft-spots : beneath pale 

 sulphur-yellow ; throat white ; throat, breast, and sides of belly 

 with numerous black shaft-spots ; bill dark brown, paler at the 

 base of the lower mandible ; feet dark brown : whole length 

 8 inches, wing 4 - 4, tail 3 - 3. Female similar. 



Bab. Mexico and Central America down to Costa Rica. 



The strong yellow tinge of the belly and under wing-coverts dis- 

 tinguishes this bird from its more southern representatives. 



a, b. Ad. sk. Orizaba, Mexico (Botteri). Sclater Coll. 



e. <$ ad. sk. Presidio, Mexico (Forrer). Salvin-Godman Coll. 



d-f. Ad. sk. Northern Yucatan (Gaumer). Salvin-Godman Coll. 



g. Ad. sk. Belize, Brit. Honduras (Blanca- Salvin-Godman Coll. 



neaux). 



h. Ad. sk. Vera Paz. O. Salvin, Esq. [P.]. 



i,j. Ad. sk. Vera Paz (Saloin). Salvin-Godman Coll. 



Jc. Ad. sk. Guatemala. J. Gould, Esq. 



I. Ad. sk. Savana of Santo Toribio, Guate- Salvin-Godman Coll. 



mala (Salvin). 



m. 2 ad.sk. Escuintla, Guatemala (Fraser). Salvin-Godman Coll. 



n. Ad. sk. Irazu, Costa Rica (Rogers). Salvin-Godman Coll. 



o. Ad. sk. Chontales, Nicaragua (Janson). Salvin-Godman Coll. 



p. cJ ad.sk. Barranca, Costa Rica (Carmiol). Salvin-Godman Coll. 



q. $ ad. sk. Santa Rosa, Costa Rica (Carmiol). Salvin-Godman Coll. 



2. Myiodynastes nobilis. 



Myiodynastes nobilis, Sclater, P. Z. S. 1859, pp. 42, 43, et 1860, 

 p. 295; id. Cat. A. B. p. 223; Lawr. Ann. Lye. N. Y. vii. p. 295, 

 viii. p. 177, ix. p. 114 ; Scl. et Salv. P. Z. S. 1864, p. 360 ; Salv. 



