132 MANDIEULATA.— COLEOPTERA. 



obsolete pundatis, antennis piceis, dilutiorihus, basi rufd, tibiis piceo-ferrugi- 

 neis. (Long. corp. 3| lin.) 

 Am. convexior. Wilkin MSS.—Steph. Catal. p. 27. A^o. 227. 



Rather convex ; deep blue-black above : thorax smooth anteriorly, with a very- 

 slender dorsal channel, the base with an obsolete transverse impression, and 

 towards the angles a little punctulate, with two indistinct fovese, approxi- 

 mating to each other and to the margins: elytra delicately striated, the strife 

 impunctated, with a continuous series of impressed dots on the margin : body 

 beneath and thighs deep pitchy-black ; tibiae and tarsi ferruginous : antennas 

 pitchy, with the three basal joints rufous. Greatly allied to the following 

 species. 

 Found near London and Hertford. " Near Norwicli."" — 2Ir. J. 



E. Giles. 



Sp. 16. plebeia. Nigra, supra viridi-cenea, antennarum basi tibiisque testaceis, 



thorace inCBqualis utrinque foveis duabus punctatis. (Long. corp. 3^ lin.) 

 Ha. plebeius. Gyllenhal. — Am. plebeia. Stcjih. Catal. p. 27. No. 228. 



Similar to Am. communis, but the form of the thorax, and the impressions 

 different : above greenish-brass or blackish : thorax anteriorly convex, with 

 the lateral and posterior margins depressed, and near the base on each side 

 two rather deep thickly punctate impressed fovese : the elytra a little convex, 

 faintly striated, the striae obsoletely punctate, with a subinterrupted series of 

 impressions on the margin : thighs pitchy-black, or rufous: tibias, and three 

 basal joints of the antennas pale testaceous. 



Not very common near London. 



Sp. 17. obtusa. Nigra, supra viridi-nitens, thorace antics dilatato, postice sub- 

 attenuato, foveis duabus punctatis utrinque, antennarum basi, tibiis tarsisque 

 piceo'ferrugineis. (Long. corp. 3| lin.) 



Am. obtusa mihi. — Steph. Catal. p. 27. No. 229. 



Very short, convex : thorax dilated and convex anteriorly, with a very delicate 

 line down the centre, a little depressed towards the base ; near each posterior 

 ar.gle are two rather deep punctate foveae, the space between also punctate, and 

 glossed with bright green : the elytra with punctate striae, the external one 

 with an interrupted series of impressions : the body and thighs beneath deep 

 black: the tibiae and four basal joints of the antenna: testaceous-red. 



Taken near London. 



Sp. 18. latescens. Lata, atra, nitida, thorace postice obsoletissinie jninctulato, 

 lateribus rotundatis; pedibus piceis, tibiis tarsisque pallidioribus. (Long, 

 corp. ^\ lin.) 



Am. latescens mihi. — Steph. Catal. p. 27. A^o. 231. 



Distinguished by its superior width, and by the rotundity of the sides of the 

 thorax: above deep black: thorax slightly convex, its sides gradually and 



