129 



delicate, elongated bristle-like spines, instead of the broad scale of 

 that genus. From all other genera of the family it is most distinct 

 and unlike. 



The MS. description of this very curious coral was accidentally 

 mislaid at the time at which it was read, and did not appear in the 

 printed Proceedings of the Society. It was figured, by an error of 

 the artist, for and under the name of Nidalia occidentalis in the Pro- 

 ceedings of the Zoological Society for 1851, Radiata, PL III. To 

 rectify the error so committed, Nidalia occidentalis is now figured 

 (PI. VII.). 



June 23, 1857. 

 Dr. Gray, F.R.S., V.P. Zool. & Ent. Soc, in the Chair. 

 The following papers were read : — 



1. Descriptions of Twelve New or Little-known Species 



of the South American Family FormicariidjE. 



By Philip Ltjtley Sclater, M.A., F.L.S. etc. 



(Aves, PL CXXVI.) 



1. Grallaria ferrugineipectus. 



Supra pallide brunnea, olivaceo induta : loris et regione oculari 

 et auriculari fulvo tinctis : subtus flavicanti-ferruginea, collo 

 antico medialiter et ventre toto cum crisso albis : alis nigrican- 

 tibus pallido brunneo limbatis, tectricibus alarum superioribus 

 omnino nigricantibus, inferioribus autem cum campterio ochra- 

 ceis : rostri nigri basi Jlavicante : pedibus pallidis. 



Long, tota 3*8, alee 2*6, caudae 1*2, tarsi "85. 



Hab. In Venezuela, in vicin. urbis Caraccas (Levraud). 



Mus. Paris. 



2. Grallaria loricata. 



Supra olivacea : pileo castaneo : ocidorum ambitu, loris et gula 

 tota albidis, fulvo tinctis : stria duplici gutturis utrinque nigra : 

 pectoris et ventris lateralis plumis omnibus medialiter fulvo- 

 albidis, undique late nigro marginatis : ventre medio et crisso 

 albis, hypochondriis brunnescentibus : rostro dare brunneo, 

 basi fiavida : tectricibus subalaribus pallide brunneis. 



Long, tota 4"0, alee 2 -8, caudse - 8, tarsi L6. 



Hab. In Venezuela, in vicin. urbis Caraccas (Levraud). 



Mus. Paris. 



These two Grallaria are of smaller size and have shorter tarsi 



No. CCCXXXV. — Proceedings of the Zoological Society. 



