J *° 02 3 °] BANGS CHIRIQUI BIRDS 39 



Empidonax traillii alnorum Brewst. 

 One male, Boquete, 4000 feet, April 10. 



Empidonax flaviventris (Baird). 



Two specimens, male and female, Boquete, 4000 feet, Jan. ig 

 and Jan. 24. 



Empidonax fiavescens Lawr. 



Thirteen specimens, both sexes, Boquete, 4000 to 6500 feet, 

 January to April. 



Nuttallornis borealis (Swains.). 

 One male, Boquete, 4000 feet, April 20. 



Horizopus Iugubris Lawr. 



Eighteen specimens, both sexes, Boquete and Volcan de Chiri- 

 qui, 4000 to 7500 feet, January to April. 



Horizopus richardsoni sordidulus (Scl.). 

 One female, Boquete, 4000 feet, March 27. 



Myiarchus panamensis Lawr. 

 One female, taken in a valley below Boquete, 2500 feet, Jan. 20. 



Myiarchus nigricapillus Ridg. 



Two specimens, male and female, Boquete, 4000 and 6000 feet, 

 January. 



