1917.] Chapman, Distribution of Bird-life in Colombia. 441 



(2818) Pseudotriccus pelzelni pelzelni Tacz. & Berl.- 

 Pseudotriccus pelzelni Tacz. & Berl., P. Z. S., 1885, p. 88 (Machay, e. Ecuador). 



After comparison with a topotype of P. p. berlepschi Nels. loaned me 

 by Mr. Nelson, I have no doubt that a specimen taken at Buena Vista is 

 essentially typical of this species, the type of which came from the same 

 slope of the Andes at approximately the same altitude. The bird was 

 flushed from the ground in the dense growth which had sprung up in 

 the bed of a brook and flew to a perch but a few inches from the ground 

 on the side of the barranca. This circumstance suggests that the species 

 is more or less terrestrial, a theory of some interest in connection with its 

 long tarsi. 



The affinities of this genus seem to me to be with CcBuotriccus rather 

 than with Myiobius or its related genera or subgenera {Myiophobiis, Pyr- 

 rhomyias, etc.). In its more rounded wing, more graduated tail, character 

 of the tail-feathers, and long tarsi it is not unlike Coenotriccus. In color- 

 pattern there is a strong resemblance between the young of CcBnoiriccus 

 ruficeps and Pseudotriccus and while the bill in P. pelzelni is broader than 

 in C. ruficeps the difference is slight and of degree rather than character. 



Buena Vista, 1. 



(2819) Pseudotriccus annectens (Salmd. & FesL). 



Pseudomyiobius annectens Salvad. & Fbst., Boll. Mus. Tor., XV, 1899, p. 12 

 (Gualea, w. Ecuador). 



Four adults from the Subtropical Zone of the Western Andes agree in 

 generic and specific characters with the description of the type of this species 

 which it is important to note, was taken in the same life-zone in a neighbor- 

 ing part of Ecuador. 



The color differences between Pseudotriccus pelzelni pelzelni and P. an- 

 nectens are so largely bridged by the much browner P. p. berlepschi Nels. 

 of eastern Panama, it seems not improbable that the latter is a represen- 

 tative and possibly conspecific form of annectens. It goes without saying, 

 therefore, that I am unable to discover any generic differences between 

 Pseudotriccus and Pseudomyiobius. Compared with a topotype of ber- 

 lepschi, annectens differs only in its larger size and color, the crown being 

 darker, back more olivaceous, less fulvous. 



Cerro Munchique, 2; Cocal, 2. 



