70 bulletin: museum of comparative zoology. 



190. Myrmoborus leucophrys angustirustris (Cabanis). 



Seven specimens, both sex€s, Vicinity of Paramaribo, February, 

 April, June, and December. 



191. Formicarius colma colma Boddaert. 



Two specimens, an adult 9 and an immature bird. Vicinity of 

 Paramaribo, March. 



The bird described by F. P. and A. P. Penard (De vogels van 

 Guyana, 1910, 2, p. 335) as F. iamiesoni, from a skin in possession of 

 Mr. Tamieson in Demerara, is probably the immature plumage of 

 F. c. colma. Our young bird agrees exactly with the description. 



Cotingidae. 



192. Tityra cayana (Linne). 



Five specimens, both sexes. Vicinity of Paramaribo, Lelydorp, and 

 Javaweg, February, March, April, May, and June. 



193. Platypsaris minor (Lesson). 

 One cf , Lelydorp, March. 



194. Pachyrhamphus rufus (Boddaert). 



Four specimens, both sexes, adult and immature, Vicinity of 

 Paramaribo, and Lelydorp, April, May, June, and August. 



195. Pachyrhamphus polychropterus niger (Spix). 

 One cf , Vicinity of Paramaribo, Februarv. 



