Catalogue of a Collection of Birds. 323 



Agrees in markings with Mr. Sclater's si^ecies, but differs 

 from it somewhat in measurements. 



The length is 5f in. ; wing 2^ ; tail 2, 



" Irides brown ; always found on the banks of a brook, close 

 to the water, and in very retired places in the forest; not 

 common."' 



Fam. VIREONIDJE. 



SuBFAM. VIREONIN^ 



208. Vireo favifrons^ VieilL 



209. Vireosylvia flavomridis^ Cass. 



210. Hyflophilus piisillu§, sp. nov. 



The fourth and fifth primaries are equal and longest, -the second is 

 shorter than the ninth, the first or spurious primary is about half the 

 length of the second. 



The upper part of the head and hind neck are greyish olive, the 

 feathers being dull plumbeous with the ends yellowish olive; the cap 

 obscurely defined ; lores dull grey, tliere is no superciliary stripe; upper 

 plumage yellowish green ; tail greenish olive, the outer webs are brighter 

 and the inner webs are margined with pale yellow; quills blackish brown, 

 the outer edges are of the same color as the back, except the margins of 

 the outer primaries, which are white; throat and sides of the neck grey- 

 ish white ; sides and under tail coverts yellowish green like the back 

 breast pale yellow, abdomen nearly white; under wing coverts and inner 

 edges of quill feathers pale yellow; upper mandible brown, under man- 

 dible whitish ; irides brown ; legs and feet plumbeous. 



Length 3i in.; wing 2 ; tail IJ- ; bill /g- ; tarsi /g. 



Male and female alike in plumage. 



This species resembles 11. pUimUceps, Scl., but is smaller; it 

 differs in having the cap rather indistinct and mixed with oliva- 

 ceous, whereas in the other the cap is strongly defined, of a clear 

 plumbeous grey, this color extending further down than in my 

 species, so as to occupy the upper part of the back ; the color 

 of the present bird above is more yellow and the under parts 

 v/hiter, the yellowish green color being paler and more restricted 



