9. DYSITHAMNUS. 221 



2. Dysithamnus mentalis. 



Myothora ineiitalis, Temm. PL Cut. 179. fig. 3. 



Mjiotliera poliocepliala) Mclv. Beitr. iii. p. 10D8. 



Dysitliamuus mentalis, Bunn. Si/st. Ueb. iii. p. 82 ; Sclafer, P. Z. S. 



1858, p. 221 ; id. Cat. A. B. p. 177 ; Pelz. Orn. Bras. p. 79 ; Euler, 



J. f. O. 1867, p. 402 (Brazil) ; Scl. et Salt. Nomencl. p. 71 ; iid. 



P. Z. S. 1879, p. G24 (Bolivia) ; Cab. J. f. O. 1874, p. 86 (S.E. 



Brazil) ; Bji. Consj). i. p. 199 ; Cab. et Hein. Mus. Hem. ii. p. 14. 



Above olive ; head slatj', auriculars blackish ; upper wing-coverts 

 black with slight white margins ; bend of wing white : beneath 

 brighter olivaceous yellowish in the middle line ; throat and breast 

 grey ; under wing-coverts creamy white : whole length 4-7 inches, 

 wing 3-4, tail 1-9. Female similar, but cap rufous, and wings 

 nearly uniform. 



Ilah. 8.E. Brazil. 



a-d. Ad. st. S.E. Brazil. Purchased. 



e. (S ad. sk. Sao Paulo, Brazil (Joijner). Salviu-Godnian Coll. 



/. S ad. sk. Pelotas, Eio Grande do Sul, Sulviu-Godmau OuU. 



Brazil {Joyner). 



(J, h. 6 ad. ; i. $ S.E. Brazil. Sclater Coll. 



ad. sk. 



j, k. S ad. sk. S.E. Brazil. Gould Coll. 



3. Dysithamnus semicinereus. 



Dysithamnus semicinereus, Scl. P. Z. S, 185.5, pp. 90, 147, pi. xcvii. 

 (Bogota), 1858, p. 66 (Rio Napo), p. 222 (Colombia), et 1860, 

 p. 278 (Ecuador) ; id. Cat. A. B. p. 177; Scl. et Sale. Ibis, 1860, 

 p. 399 (Guatemala) ; iid. P. Z. S. 1868, ])p. 168, 628, et 1875, 

 p. 2-35 (Venezuela), et 1879, p. 525 (Autioquia) ; iid. Nomencl. 

 p. 71; Sulv. P.Z.S. 1867, p. 144, et 1870, p. 194 (Veragiia) ; 

 Lmvr. Ann. Lye. N. Y. ix. ]). 107 (Costa Eica) ; Frantz. J. f. 0. 

 1809, p. 305 (Costa Eica) ; Tacz. P. Z. S. 1874, p. 530 (C. Peru), 

 1879, p. 232 (N. Peru), et 1882, p. 30 (N.E. Peru) ; id. Orn. Per. 

 ii. p. 29; Bom. P. Z. S. 1878, p. 60 (Costa Eica); Berl. et Tacz. 

 P. Z. S. 1883, p. 564, et 1884, p. 302 (W. Ecuador). 



Dysithamnus mentalis?, Scl. P. Z. S. 1860, p. 67 (Ecuador). 



Above slaty grey, rump olivaceous ; wings and tail blackish with 

 •olivaceous edgings; wing-coverts black, slightly margined with 

 white ; axUlaries white : beneath pale slaty, flanks and lower belly 

 olivaceous ; throat (in some specimens) more or less whitish : whole 

 length 5 inches, wing 2'5, tail 1'6. Female similar, but cap rufous, 

 and wings brownish with pale margins to the coverts. 



JIab. Guatemala, Central America, Venezuela, Colombia, Ecuador, 

 and Peru. 



I am now doubtful about this species being distinct from D. men- 

 talis ; there is much variation in the series before me. 



a. (S ad. sk. Chisec, Vera Paz (Salvin). Salviu-Godmau Coll. 



S. Ad. sk. Chisec, Vera Paz {Salvi7i). Tweeddale Coll. 



c. 5 ^d. sk. Sources of Eio de la Pasiou, Salvin-Godmau Coll, 



Vera Paz {Saloin). 



