125 
Ornithology of Central America. 
1\ Z. S. 1856, p. 299. Mr. Leyland obtained a female specimen 
near Lake Petcn. 
171. Pipka mentalis, Sclater, P. Z. S. 1856, p. 299, pi. 121. 
Transmitted by Mr. Skinner. In Mr. Gould's collection. 
Subfam. Cotingida^e. 
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. CAPRIMULGID.E. 
c/; 173. Nyctidromus americanus (Linn.) ? 
Mr. Cassin has referred the Mexican and Central American 
bird to this species in his ‘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. CYPSELIDiE. 
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 m Guatemala; indeed so 
local is it, that its presence might easily have been overlook. 
It is found neaiDucfla. j and the followmg extract from Salvm . 
note-book relates to its capture: . . f 
■■ On going out with my gun, about three o clock m the afte, - 
noon of February 13th, I followed the course of the „verG»«- 
calate; and after leaving the open country and the 
I entered a gorge with precipitous rocks on my n 0 ^ a 
“ to ’ 11 tahi " 
some of the cracks. After watching some time, 1 saw two Swifts 
