CAMPYLORHYNCHUS. 103 
light stripe, however, wider and whiter. The under parts are very 
similar. The bands on the tail are not so decidedly transverse, but an 
edging of brown along the shafts often divides the light bar. In the 
other species it is the concealed centres of the hood feathers that are 
brown (showing only occasionally), with yellowish-gray edges. The 
nape is much less conspicuously streaked. C. megalopterus is con- 
siderably larger also, measuring 8.50 inches, the wing 3.70, tail 3.90. 
This may be a Mexican bird, as stated by Lafresnaye, but more 
probably it is South American. 7 
I am by no means decided as to what is the true name of this 
Mexican species, after setting aside that of megalopterus. <A 
specimen in the Phila Acad., from Guayaquil, and labelled “ palles- 
cens,” by Mr. Sclater, agrees very well with a Smithsonian skin 
from Piura, Peru, No. 11,748. This differs from the Mexican bird 
in a larger size, and in having a longer tail and shorter wings—tail 
half an inch longer than the wings instead of being a little shorter 
or not longer. The top of the head is purer gray, or with less of a 
yellowish-red tinge ; the nuchal streaks much wider and more promi- 
nent. The most striking differences, however, are in the proportions 
above mentioned, as well as the very different geographical distri- 
bution. 
The question now remains as to which of these two species the 
name pallescens should be applied. As, however, Lafresnaye, in 
comparing pallescens with zonatus, says that it differs especially in 
form from the latter by longer wings; and as while the Mexican 
bird has much longer wings than the South American, which are 
just equal to those of zonatus, it seems proper to name the Mexican 
bird pallescens, especially as Lafresnaye gives Mexico as the pre- 
sumed locality of his species. The South American bird (the C. 
pallescens of Sclater’s Catal.) may then be called Campylorhynchus 
balteatus. 
Campylorhynchus nuchalis is easily distinguished by smaller 
size; broader stripes on the neck, extending on the back ; the rounded 
marginal white spots, not bands, on the tail, ete. 
Smith- Collee-| Sex | 
mith- Collee- Sex 
sovian tor’s | and | Locality. Gon Received from Collected by 
No. ; No. | Age. | , 
13,659 Fr cli Xalapa, Mex. Seis Dr. Sclater. D’0ea. 
13.672 ot oe ie pies # us 
26,366 ais ee ny aes J. Krider, ss 
ee 76 ‘¢  [region.) nee Cab. Lawrence. se 
32,471 | 377 Orizaba. (Alpine ome Prof, Sumichrast:.|) esters. 
