Paraguay^ Bolivia^ and Southern B?-azil. 123 



b. ? ad. Pan de Azucar, Brazil. Sept. 20, 1909. 



c,d. (^ '^ ad, Colonia Milianovitch, N. Argentine. Nov. 5, 

 1909. 



The November female was sitting, I was unable to dis- 

 tinguish this species in life from M. ferox. 



98. Myiarchus ferox, 



Myiarckus ferox Scl. Cat. B. xiv, p. 253; Arg, Orn, i, 

 p, 156, 



a. ($ ad, Arjerichi, Paraguay, Aug, 9, 1909, 



b. ^ ad. Puerto San Juan, Paraguay. Aug, 26, 1909. 



c. ^ ad. Desaguadero, Paraguay. Aixg. 29, 1909, 



d. c^ ad. Sapatero Cue, Paraguay. Sept. 3, 1909. 



e. S ad. Riacho Paraguay, Mirin, Brazil. Oct, 2, 1909, 

 /. S ad, Rabicho, Brazil. Oct. 8, 1909. 



g. J ad. Boca de Homiguera, Brazil, Oct. 9, 1909. 



/^. ? ad. Fuerte Olirapo, Paraguay. Oct. 21, 1909. 



Irides hazel ; bill brown ; legs and toes very dark slate- 

 coloured. 



Numbers of this Tyrant were observed throughout the 

 river expedition. They Avere usually seen perched on the tops 

 of the trees, from which they made short flights to catch 

 passing insects. 



On the 9th of October at Boca de Homiguera a pair were 

 seen carrying building materials, and were evidently starting 

 to nest. 



99. Empidonomus aurantio-atro-cristatus. 

 Empidonomus aurantio-atro-cristatus Scl, Cat. B. xiv. 



p. 266 ; Arg. Orn. i. p. 157, 



a. S ad, Boca de Homiguera, Brazil, Oct, 9, 1909, 

 Irides brown ; bill, legs, and toes sooty-black. 



100. Tyrannus melancholicus, 



Tyrannus melancholicus Scl. Cat. B, xiv. p. 273 ; Arg. 

 Orn. i. p. 158. 



a. S ad. Los Ynglases, Ajo. Feb. 3, 1909. 



b. S ad. „ „ Mar. 12, 1909. 



c. S ad. „ „ Dec, 29, 1909. 



