OMALID.K. — OMALTUM. 353 



Also rather scarce, at least within the metropolitan district, in 

 which neighbourhood I have taken it. 



Sp. 20. pilosulum. Nigro-piceum, punctulatissimum , subpubescens, avtennis 

 pedibusque ri/fis, capite thoi'aceque hand foveatis. (Long. corp. 3 lin.) 



Om. pilosulum. Kirby MSS.—Sleph. Catal. 297. No. 3270. 



Pitchy-black, very much punctulated^ rather shining and clothed with a very 

 short pubescence : ^eatf rather narrower than the thorax, subtriangular, flat 

 above, neither punctured nor foveated : thorax rather convex, with a very 

 obscure dorsal line : elytra rather longer than the thorax, widest at the apex: 

 abdomen broad, shorter than the elytra, the apex scarcely mucronated : 

 legs red: antennae somewhat filiform, red, with the base paler, the terminal 

 joint ovate acute : palpi and mouth red. 



Apparently rare ; taken in Yorkshire and near London ; and in 

 Somersetshire. 



Sp. 21. pusillum. Depressum, nigrum, suhnitidutn, vix punctulatum, thordce 

 bifoveolato, eli/t risque fusco-brunn^is, ore antennis pedibusque testaceis. (Long, 

 corp. 1 lin.) 



Om. pusillum. GyUenkall, Ins. Suec. ii. 218. — Steph. Nomen. 2J edit. col. 108. 



Depressed, black, slightly shining, scarcely punctured: head opaque, slightly 

 convex above, with two very minute fovese between the eyes and two rather 



■ larger oblong ones between the antennae: mouth pale testaceous: thorax 

 with the sides a little flattened, rounded, rather dilated in the middle, de- 

 pressed above, the disc dusky-brown opaque, impunctate, with two oblong, 

 minute fovece behind : elytra dusky-Z»rou;» ; abdomen smooth, with the 

 margins considerably elevated: legs pale testaceous: antennce the same, 

 rather dusky towards the apex. 



Found, but rarely, within the metropolitan district. 



b. With the thorax deeply foveolated. 



Sp. 22. foveolatum. Nigrum, ohscuriusculuni, thorace quadri-fmieolaio elytrisque 

 brunneis, autennis pedibusque testaceis. (Long. corp. | lin.) 



Om. foveolatum. Kirby MSS.—Steph. Catal. 297. No. 3272. 



Black, glabrous, rather obscure, and smooth : head triangular, a little narrower 

 than the thorax, with an impression before and behhid, on each side : thorax 

 transverse, subquadrate, with the sides rounded, rather widest in front, dull 

 brown, with four largish impressions placed transversely : elytra much larger 

 than the thorax, but rather wider, depressed, brown, very smooth : abdomen 

 black or pitchy, strongly margined : legs iesiaceous-y dlow : anienwa testa' 

 ceous, with the apex dusky. 



Maxdibulata. Vor,. V. 31st Jan. 1834. 2 a 



