78. MILVULUS. 277 



yellow breast, more greenish back, i 

 a. J ad. st. Goyaz, Brazil (batterer). Sclater Coll. 



by its pure white tbroat, yellow breast, more greenish back, and 

 deeply forked tail. 



Tail (from above) and wing (from beneath) of Ti/ramus alboqularis. 

 (P. Z. S. 1880, p. 29.) 



78. MILVULUS. 



Type 



Milvulus, Sw. Zool. Journ. iii. p. 165 (1827) M. tyrannus. 



Despotes, lieichenb. Av. Syst. Nat. t. lxvi. (1850) M. tyrannus.' 



The long forked tail at once distinguishes this genus from 

 Tyrannus. Tho two known species extend from Texas and Mexico 

 to the Argentine Republic. 



Key to the Species. 



A. Cap black ; flanks white ; outer rectrix much 



longer than next 1. tyrmmus, p. 277. 



B. Cap grey ; flanks rosy ; two outer rectrices 



nearly equally elongated 2. forficatm, y. 279. 



1. Milvulus tyrannus. 

 Muscicapa tyrannus, Linn. S. N. i. p. 325. 

 Tyrannus savana, Vieill Ois. Am. Sept. i. p. 72, pi. 43: id. Enc. Meth. 



p. 853; Sw. Quart. Journ. Sc. xx. p. 282. 

 Muscicapa savana, Bp. Am. Orn. i. p. 1, pi. i. fijr. 1. 

 Tyrannus (Milvulus) monachus, Hartl. Bev, Zoo/. 1844. p 2J4 

 Despotes tyrannus, Bp. Not. Orn. p. 87. 

 Milvulus monachus, Sclater, Bis, 1850, p. 439 (Mexico) ; id P Z S 



