276 TAI^AGRID^. 



et 1859, p. 377 ; id. Syn. Av. Tan. p. 21 ; id. Cat. A. B. p. 93 ; 

 Sd. et Salv. Ibis, 1860, p. 32 (Guatemala) ; id. P. Z. S. 1804, 

 p. 351 (Panama) ; iid. Nmiencl. p. 25 ; Laiur. Ann. L. N. Y. vii. 

 p. 298 (Panama), viii. p. 179 (Nicaragua), ix. p. 102 (Costa Eica) ; 

 Salv. r. Z. S. 1867, p. 140 (Veragua), 1870, p. 188 (Veragua) ; id. 

 Ibis, 1872, p. 317 (Nicaragua) ; Frantz.J.f. 0. 1869, p. 300 (Costa 

 Rica) ; Sah. et Godm. Biol. Centr.-Am., Aves, i. p. 324. 

 An-emon rufi-dorsalis, Cass. Pr. Ac. Sc. Phil. 1865, p, 170 ; Laivr. 

 Ann. L. N. Y. ix. p. 102 {cf. Salvin, Ibis, 1874, p. 308). 



Above olive-green ; wings and tail blackish brown, edged with 

 olive ; head black, supcrcLliaries white, vertical band cinereous : 

 below white, with a broad black pectoral collar, sides dusky cine- 

 reous ; bend of wing yeUow ; bUI yellow ; feet pale brown : whole 

 length 6-;3 inches, wing 3-1, tail 2-6. Female similar. 



Bah. Central America from Southern Mexico down to Panama. 



The larger biU, broader pectoral band, and darker olive colour 

 above distinguish this species from A. spectabilis. 



a. $ ad. sk. ; b. Choctum, Vera Paz Salvin-Godman Coll. 



Ad. sk. (Salvin). 



c. Ad. sk. Choctum, Vera Paz Sclater Coll. 



{Salvin). 



d. Ad. sk. Chisec, Vera Paz (Salvin). Salvin-Godman CoU. 



e. Ad. sk. Belize, Brit. Honduras Sahin-Godman Coll. 



(Blancaneaux). 

 f Ad sk. Chontales, Nicaragua Salviu-Godman Coll. 



(Belt). 

 g. Ad. sk. San Mateo, Costa Rica Salvin-Godman Coll. 



(Cooper). 

 h. Ad. sli. Tucurriqui, Costa Rica Salviu-Godman CoU. 



(Arce). 

 i. (5 ad. .sk. ; j. $ Santa Fe, Veragua Salvin-Godman CoU. 



jr. sk. ' (Arce). 



k. Ad. sk. Bugaba, CHriqui (Arce). Salvin-Godman Coll. 



/. c? ad. .sk. ; m, n. Panama (McLeannan). Salvin-Godman CoU. 



$ ad. sk. 



7. Arremon nigrirostris, sp. nov. 

 Arremon silens, Scl. et Salv. P. Z. S. 1873, p. 187. 



Above olive, wings and tail blackish, edged with olive ; head 

 black, superciliaries white, vertical stripe cinereous : below white, 

 slight pectoral collar, imperfect in the middle, black ; flanks cineras- 

 ceut ; bend of wing yellow ; bUl black ; feet pale brown : whole 

 length 5-7 inches, wing 3, tail 2-5. Female. 15elow tinged with 

 fulvous, and without any signs of pectoral collar. 



Hub. Southern Peru. 



Similar to A. silens, but with the collar imperfect in the middle, 

 as in ^. semitorquatus, from which it differs in its black biU. 



a. S ad. sk. Cosnipata, Southern Peru Sclater Coll. (Type of the 



( Whitely). species.) 



b. § ad. sk. Bolivia (?). Purchased. 



