258 



TYRANNID^J. 



a, b. Ad. sk. 



c. Ad. sk. 



d. Ad. sk. 



e. Ad. sk. 



f. $ ad. sk. 



g. Jr. sk. 



h. Ad. sk. 

 i. Ad. sk. 



/. (f ad. sk. 

 k, I. d 2 ad. 



m. J ad. sk. 



sk. 



Costa Rica (Mus. BeroL). 



Costa Rica (Carmiol). 



San Jost§, Costa llica (Carmiol). 



Tucurriqui, Costa Rica (Aire). 



Pacnare, Costa Rica (Carmiol). 



Irazu district, Costa Rica 

 (Rogers). 



Costa Rica. 



Blewfields, Nicaragua ( Wick- 

 ham). 



Chitra, Veragua (Arce). 



Santa Ee", Veragua (Arce). 



Volcan de Chiriqui (Arce). 



15. Myiarchus nigriceps. 



Sclater Coll. 

 (Authentic specimens.) 

 Salvin-Godman Coll. 

 Salvin-Godman Coll. 

 Salvin-Godman Coll. 

 Salvin-Godman Coll. 

 Salvin-Godman Coll. 

 Salvin-Godman Coll. 

 Purchased. 

 Salvin-Godman Coll. 



Salvin-Godman Coll. 

 Salvin-Godman Coll. 

 Salvin-Godman Coll. 



Myiarchus nigriceps, Sclater, P. Z. S. 1860, pp. G8, 295 (Ecuador) ; 

 id. Cat. A. B. p. 234 ; Scl. et Salv. P. Z. S. 1864, p. 300 

 (Panama), 1868, p. 168 (Venezuela), et 1879, p. 616 (Bolivia) ; 

 iid. Nomencl. p. 52 ; Lawr. Ann. L. N. Y. vii. p. 327 ; Wyatt, 

 Ibis, 1871. p. 333 (Colombia) ; Cones, Pr. Ac. Sc. Phil 1872, p. 75 ; 

 Tacz. P. Z. S. 1874, p. 539, 1879, p. 235, 1880, p. 203, et 1882, p. 22 ; 

 id. Orn. Per. ii. p. 324; Salv. et Godm. Ibis, 1880, p. 125 (Sta. 

 Marta); Tacz. et Berl. P.Z.S. 1883, p. 559, et 1884, p. 297 

 (Ecuador) ; Salv. Ibis, 1885, p. 298 (Brit. Guiana). 



Myiarchus tristis, var. nigriceps, Baircl, Brew, et Ridgw. N. A. B. ii. 

 p. 333. 



Myiarchus tuberculifer, Berl. J.f. O. 1884, p. 304 (Bucaramanga). 



Above greenish olive ; cap black ; wings and tail blackish, more 

 or less margined with brownish : beneath, throat and neck pale 

 grey ; abdomen and under wing-coverts pale sulphur-yellow ; inner 

 margins of wing-feathers fulvous ; bill dark horn-colour ; feet black : 

 whole length 6 - 3 inches, wing 3*1, tail 2 - 7. Female similar. 



Hob. Ecuador, Colombia, Venezuela, Guiana, and Amazonia. 



This bird seems to be always smaller than the two preceding 

 species. Only in young specimens is there occasionally some rufous 

 edging to the tail-feathers. 



