344 MANDIBULATA. COLEOPTERA. 



smoother than the fovese : ei/es Lluck : thorax with the hinder angles 

 rounded ; the disc very thickly piuictured, but not channelled, nor pitted: 

 elytra thrice as long as the abdomen, thickly, but finely punctured : abdomen 

 deep glossy black, smooth, with the apex yellow: legs pale yellow: antennae 

 the same, with the apex dusky. 



Found, but not commonly, in the neighbourhood of London. 



Genus DXLIII.— Coryphium, Kirby MSS. 



Antennae gradually thickening from the base to the apex, the basal joint largest, 

 very thick, attenuated at the base, the two next slender clavate, remainder 

 turbinated, the extreme one being conic-ovate. Palpi very short ; maxillary 

 with the penultimate joint rounded, the terminal one very much incrassated, 

 clavate, with the apex truncate : labrum short, transverse : mandibles in- 

 curved, acute, imidentate in the middle of the inner edge : mentum subtrian- 

 gular : head triangular, unequal above : eyes lateral, prominent : thorax not 

 so wide as the head, obcordate, with the sides somewhat margined : body de- 

 pressed, of a linear wedge-form : abdomen dilated, margined, with the apex 

 simply mucronated : legs slender ; femora linear ; tibice simple ; tarsi fili- 

 form, pentamerous. 



From the other genera of this family the present genus may be 

 known externally by having the head wider than the thorax, the 

 latter being narrowed behind, the body oblong, the terminal joint of 

 the palpi incrassated, with the apex truncate, &c. : one species only 

 has been observed. 



Sp. 1. angusticoUe. Nigrum, nitidiusculum, subpubescens, antennis basi pedi- 

 busque testaceis. (Long. corp. IJ lin.) 



Co. angusticoUe. Kirby MSS.—Steph. Catal. 296. No. 3253. 



Black, or pitchy-black, rather shining, nearly glabrous : head rather wider 

 than the thorax, very much punctured, and with two fovese in front between 

 the eyes: thorax scarcely longer than the head, also much punctured, 

 somewhat rugged longitudinally, with a slight scattered pubescence : elytra 

 above twice the length of the thorax, slightly pubescent and very thickly 

 punctulated : abdomen broad, acutely margined, its apex mucronated: legs 

 testaceous, pitchy : antennae black, with the base testaceous. 



Not common ; found rarely within the metropolitan district ; also 

 taken in Suffolk. " Taken near Ipswich and near Levington by 

 Mr. Sheppard."— ^ir% MSS. 



