125 
Ornithology of Central America. 
P. Z. S. 1856, p. 299. Mr. Leyland obtained a female specimen 
near Lake Peten. 
171. Pipra mentalis, Sclater, P. Z. S. 1856, p. 299, pi. 121. 
Transmitted by Mr. Skinner. In Mr. Gould’s collection. 
Subfam. CoTINGIDAiE. 
172. Cotinga amabilis, Gould, P. Z. S. 1856, p. 64, pi. 123. 
From the Vera Paz. Transmitted by Mr. Skinner. 
Tribus II. Fissirostres. 
Fam. I. CAPRIMULGIDiE. 
173. Nyctidrqmus americanus (Linn.) ? 
Mr. Cassin has referred the Mexican and Central American 
bird to this species in his 1 Catalogue of Caprimulgidse.’ It 
does not, however, appear to be the same as Nyctidromus derbi- 
anus (as given by Mr. Cassin), the latter being a much larger 
bird, and having the outer tail-feather broadly edged with white 
on the inner web. 
Fam. II. CYPSELLDiE. 
174. Hemiprocne zonaris (Shaw) : Hirundo zonaris, Shaw ; 
Acanthylis collaris, G. R. Gray. 
Transmitted by Mr. Skinner. 
175. Panyptila melanoleuca (Baird) : Cypselus melano- 
leucus , Baird, Pr. Ac. Phil. 1854, p. 118; Baird, Rep. p. 141. 
This Swift is by no means common in Guatemala ; indeed so 
local is it, that its presence might easily have been overlooked. 
It is found nearDuenas; and the following extract from Salvin’s 
note-book relates to its capture :— 
“ On going out with my gun, about three o’clock in the after¬ 
noon of February 13th, I followed the course of the river Gua- 
calate ; and after leaving the open country and the wood beyond, 
I entered a gorge with precipitous rocks on my right hand. On 
proceeding up this gorge for about a quarter of a mile, I heard a 
noise coming from the rock, which I at first took to be bats in 
some of the cracks. After watching some time, I saw two Swifts 
