POLIOPTILA. 455 



A'hiJf f.'maJe. Wants the black head of the male, the crown only 

 being a little darker than the back, with a shade of blackish along 

 the sides of the hinder crown. Total length 4 inches, ciilmen 0-5 

 wing 1-8, tail 1-8, tarsus 0-7. 



Hab. Guatemala and S. Salvador to Western Mexico. Messrs. 

 Salvin and Godman consider that their specimens from Tehuan- 

 tepec are somewhat intermediate between true P. alhiloris and 

 P. niijriceps. 



a, b. S 2 fid. sk. Tehuantepec (F. Sumichrast). Salviu-Godman Coll. 



c. 5 ad. sk. La Union, S. Salvador, March Salvin-Godman Coll. 



14(0. S.). 



d, e. c? 2 ad. sk. Chuacus, Vera Paz, Guate- Salvin-Godman Coll 



mala, Feb. (0. S.). (Types of species.) 



