In Mr. 1'. 1'. Pascoe on sonu new or little-known 



Australia, and bo far it appears to be absent from fehe hriian Islands. 

 The present insecl is rather larger, with a shorter thorax, than any 

 Ctmonia thai I am acquainted with. 



Sosxka I Parnida]. 



Head small, completely retractile within the thorax. Antenna? re- 

 ceived, in repose, in a cavity beneath the eye; 11-jointed, the first very 

 large, laminate, the second dilated interiorly, the remainder forming a 

 compacl Babellate mass. Eyes rounded, entire. Mandibles bidentate at 

 the apex. Maxilla- with lobes, short and broad. Maxillary palpi short, 

 the last joint very large, cylindrical ; the labial claviibrm. Mentum 

 transverse, lobed in front. Labium dilated anteriorly. Prothorax 

 transverse, convex, nearly semicircular. Elytra ovate-triangular, very 

 convex, gibbous towards the base. Legs slender, coxae distant, tarsi 

 short. Presternum received in a notch of the mesosternum. 



These characters are drawn up exclusively from S. Wcstwoodii ; 

 but the other species so completely resemble it, that there can be no 

 doubt as to their generic identity. In all, the elytra have nine rows 

 of punctures on each. The structure of the antennae will be better 

 comprehended by the figure* than by any description, but owing to 

 their minuteness, I was unable to detach completely the large basal 

 joint ; when in repose it appears to act as a valve, closing in entirely 

 the rest of this organ : all the joints composing the flabellate mass 

 are what may be called boat-shaped, except the last, each being re- 

 ceived at its base, and for the greater part of its length, in the con- 

 cavity of the preceding one, — the first, however, being so much more 

 dilated as so far to enclose the succeeding or fourth joint, that it is 

 only visible at its free extremity ; and unless this is attended to, the 

 antennas will appear to be composed of ten joints only. 



I have dedicated the first species to J. 0. Westwood, Esq., M.A., 

 F.L.S., ifcc, and have adopted his views respecting the position of 

 the genus, of which, indeed, there can be no doubt. 



Sostea Westwoodii. (PI. II. fig. 6.) 



S. ovata, fusco-atra, nitida, longe setosaj scutello triangularis pedibus 



rufescentibus. 

 Hub. Borneo (Sarawak). 



Ovate, Bhining brownish-black, covered with scattered long black 



setose hairs; prothorax sparingly punctured; scutellum triangular; 



elytra strongly punctured ; legs brovroish-fenuginous. Length 2 lines. 



Chia plate waa a Brat attempt at drawing on ston< 



