Mr. P. L. Sclater on the Genus Grallaria. 
437 
rot undata, tarsis mediocribus, robustis, antice et postice scutis 
transversalibus obtectis, digitis validis, interno breviore quam 
externo, unguibus digiti interni et posterioris validissimis. 
“ Megatriorchis dorice , fem. Plumis pilei et cervicis nigris, 
rufescente marginatis, plumis cervicis partim albo-marginatis 
dorso, uropygio et supracaudalibus fusco-nigris, fasciis trans- 
versis fusco-griseo-rufescentibus ornatis, plumarum margini- 
bus apicalibus griseo-rufescentibus; genis et fascia laterali occi- 
pitis utrinque albis, longitudinaliter fusco-lineatis ; plumis 
auricularibus postice fusco-nigris, fasciam postocularem latam 
nigramconstituentibus; subtus albus,maculis longitudinalibus 
fuscis ornatus, guise et subcaudalium maculis linearibus striatis, 
pectoris summi et imi latis brunneo-nigris, pectoris medii valde 
pallidioribus, sed linea scapuli nigra : remigibus et rectricibus 
supra fasciis alternis fusco-nigris et fusco-griseis notatis, subtus 
griseis fusco transfasciatis, caudse limbo apicali griseo, caudse 
fasciis supra 24; rostro nigro, ceromate cinereo ; iride cas- 
tanea; pedibus cinereis, pallidis. 
“ Long. tot. circa 0 m, 680, al. 0 m, 350, caud. 0 m, 320, rostri 
culm. 0 m- 038, rostri hiat. 0 m, 038, tarsi 0 ra *090, digit med. 
cum ungue 0 m# 074, ung. dig. post. 0 ra *036.” 
It appears that one specimen of each of these remarkable 
Raptores was procured on Y ule Island, on the south coast of 
New Guinea, and that one other example of Harpy opsis 
nova-guinea has been obtained at the foot of Mount Arfak. 
[To be continued.] 
XXXVIII.— Description of two new Ant-birds of the Genus 
Grallaria, with a List of the known Species of the Genus. 
By P. L. Sclater, M.A., F.R.S. 
(Plates VIII., IX.) 
While introducing to science a fine new Ant-bird of the 
genus Grallaria , recently discovered by Mr. T. K. Salmon in 
Antioquia, together with another apparently unrecognized 
form of the genus, I take the opportunity of giving a complete 
list of the species of this group, to which many important addi- 
