56 MANDIBULATA. — COLEOPTERA. 



Ni. staphylinoides. Marsham. — Stepk. Catal. 83. No. 882. 



Rather glossy-black, punctulate : head flat, with two oblique sulci on the fore- 

 head : thorax unequal, with the sides expanded, rufous, not denticulated ; the 

 disc pitchy-black, impunctate, with a rather deep fovea anteriorly, and three 

 more obsolete parallel oblong ones posteriorly : scutellum smooth : elytra not 

 dilated towards the apex, with the exterior angle obliquely subangulated, the 

 disc glossy-black, with three elevated smooth lines, the interstices very smooth 

 and shining: abdomen as in the preceding insect, but the longitudinal costee 

 less elevated, and the fovea? less profound : antennas totally, and legs rufo- 

 ferruginous. 



Less common than the last : found about London ; in Devon- 

 shire ; near Bristol ; and in Ireland. " Bottisham, common under 

 stones." — Rev. L. Jenyns. " Under the splinters of timber re- 

 cently cut up by the sawyers, Netley." — Rev. F. W. Hope. 

 " Among herbage on Crwmlyn Burrows." — L. W. Dittwyn, Esq. 



+ Sp. 3. Tesserula. Piceo-niger, nitidus, antennarum hasi? pedibusquejerrugineis, 



thoracis lateribus dilatatis ferrugineis. (Long. corp. f lin. ?) 

 Mi. Tesserula. Curtis, v. pi. 204.— Steph. Catal. 409. No. 882*. 



" Pitchy-black, shining, very minutely and thickly punctured : head depressed 

 and hollowed, with three ridges at the base : thorax with the sides flat, dilated, 

 and ferruginous, the angles acute, a broad channel down the centre, a little 

 narrowed beyond the middle, close to which on each side is a fovea : elytra 

 with three elevated lines on each, one being close to the external margin, the 

 interstices being perfectly smooth, but very minutely punctured : abdomen 

 with five joints uncovered, sides reflexed : slightly carinated down the back, 

 with an interrupted elevated line on each side : legs ferruginous." — Curtis, I. c. 



" Taken out of a pond in a marsh near Belfast, in the county 

 Down, early in February, 1827, by Mr. Haliday." — Curtis, I. c. 



Family XX.— ENGIDiE, Mac Leay. 



Antenna? rather short, gradually thickening to the apex, and forming a more or 

 less distinct rarely abrupt club, the clava generally of two or three joints, in 

 some of the true fungivorous genera four, or five : palpi generally very short, 

 filiform or slightly clavate : mandibles usually emarginate at the apex : head 

 ovate or triangular, deeply inserted into the anterior margin of the thorax, 

 which is transverse, and varies in form: body generally elongate, linear, more 

 or less depressed : tarsi pentamerous, or tetramerous, rarely heteromerous, 



