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, PI. 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 Cbair. 



The following papers were read : — 



1 . Descriptions of Twelve New or Little-known Species 



OF THE South American Family Formicariid^. 



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



(Avės, PI. CXXVI.) 



1. Grallaria ferrugineipectus. 



Supra pallide brunnea, olivaceo induta : loris et regione oculari 

 et auriculari fulvo tinctis : subtus flavicanti-ferruginea, colio 

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

 tibus pallido brunneo limbatis, tectricibus alanim supenorihvs 

 omnino nigricantibus, inferioribus autem cum campterio ochra- 

 ceis : rostri nigri basi flavicante : pedibus pallidis. 



Long. totą S'S, alae 2*6, caudse 1"2, tarsi "85. 



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



Mus. Paris. 



2. Grallaria loricata. 



Supra oUvacea : pileo castaneo : oculorum ambitų, loris et gula 

 totą albidis, fulvo tinctis : stria duplici gutturis utrinąue nigra : 

 pectoris et ventris lateralis plumis omnibus medialiter fulvo- 

 albidis, undiąue late nigro marginatis : ventre tnedio et crisso 

 albis, hypochondriis brunnescentibus : rostro clare brunneo, 

 basi Jlavida : tectricibus subalaribus pallide brunneis. 



Long. totą 4'0, alae 2-8, caudse 0'8, tarsi 1*6. 



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



Mus. Paris. 



These two Grallarice are of sraaller size and have shorter tarsi 



No. CCCXXXV, — Proceedings of the Zoological Society. 



