PtfrosHchus.'] adepiiaga. G3 



with a deep impressed puncture on posterior third ; Icf^s black, often 

 entirely red ; last segment of abdomen in male Avith a deep furrow at 

 apex, and a short raised ridge just before it. L. 14-16 mm. 

 Common tliroughout the kingdom. 



P. sethiops, Panz. Smaller and shorter tlian the preceding ; thorax 

 more plainly transverse, and less contracted behind middle ; elytra shorter 

 and more ovate than in P. madidm, the striae impunctate, third interstice 

 Avith three impressed punctures ; last segment of abdomen in male with 

 a furrow at apex and a large obtuse tooth just before it. L. 11-12 ram. 



A mountain species; plentiful on Snowdon and other Welsh mountains; Cheviot 

 Hills; Kothley Lakes, Northumberland; Scotland, local, Highlands. 



(Sub-Gen. Platysma, Bonclli.) 



I. Prothorax not strongly rounded in front, about as 



long as broad P. OBLONGO-PUXCTATtrs, F. 



II. Prothorax strongly rounded in front, distinctly 



broader than long P. TITEEUS, Dej. 



P. oblong-o-punctatus, F. Lrassy black, winged, antennae pitch- 

 black, palpi reddi.sh ; thorax quadrate, as long as broad, anterior angles 

 prominent, sides rounded from angles to behind middle, thence con- 

 tracted to posterior angles, which are acute and very prominent, dorsal 

 furrow distinct ending in a depression in front and beliind, base with a 

 large punctured fovea on each side ; elytra broader than thorax, some- 

 what flat, with strong stria?, with three to six large round impressions on 

 or near the third interstice ; femora pitchy black, tibicC and tarsi reddish. 

 L. 10-12 mm. 



In woods, under chips, &c. ; abundant in the Forest of Dean ; Bagley Wood, Oxon ; 

 Robins Wood, Keptou ; Langworth Wood, Lincoln ; Northampton ; Windsor ; Devon- 

 shire; Scotland, very local. Highlands, in fir woods, Tay, Dee; also recorded from 

 Ireland. 



P. vitreus, Dej. {orinomns, Steph.). Very like the preceding, but 

 easily distinguished by its blacker colour, and distinctly transverse thorax, 

 •which has the sides more rounded and the posterior angles less projecting ; 

 the elytra are less strongly striated, and are less widened behind the 

 middle, being almost parallel-sided for three-quarters of their length. 

 L. 10 mm. 



A mountain species ; local, but widely distributed ; Llangnllon and other places in 

 Wales; Yorkshire Moors; Axe Kdge, Puxtou ; Church Stretton ; South Shields; 

 Clieviots. Scotland, widely distributed, but not connnon, from the Tweed to the 

 Orkneys. Ireland, neiir Dublin, &c. : the Irish specimens arc more brassy, and were 

 called by Stephens Omaseus Ihilwtrii. 



(Sub-Gen. Pterostichus, i. sp.) 



P. cristatus, Dufour (parinnpnHrfnffis, Germ.). lUack, slightly 

 iridi'sccnt, aptmous ; antenna:; black with apical joints fuscous ; thorax 



