390 STAPHYLiNiDj;. \_Twgophloeus. 



hnm, Dulwicli, Kingsgate, &c. ; Deal, Hastings, and southern districts generally; 

 Devonsliire ; Bewdley Forest; Burtoa-on-Trent ; Cheshire; Northumberland dis- 

 trict ; Scotland, not common, Solway, Tweed, Forth, and Dee districts ; Ireland, 

 near Dublin ; it appears to be somewhat local, and to be rarer in the north, but it 

 occurs in large numbers when found, and is usually considered the commonest species 

 of the genus. 



T. tenellus, Er. (grarilis, Mannh., Tamosoma tenella, Thorns.). 

 Narrower and more linear than tlie preceding, wliich it closely resembles 

 in appearance, but easily distinguished by the shape of the thorax, which 

 is as long as broad, and subquadrate ; the dorsal furrows also are less 

 marked and less interrupted; the elytra are distinctly narrower and 

 lunger and the hind body is more elongate. L. 1^ mm. 



Marshy places, iu flood refuse, &c. ; rare; first taken by Mr. Waterhouse at 

 Kingsbury Reservoir ; Colney Hatch ; Mickleham ; Esher; Darenth Wood; Small- 

 heath and Knowle, Birmingham ; Scotland, rare, Solway district. 



T. subtilis, Er. {Tcevosoma stihfilis, Thoms.). More slender and 

 linear than any other species of the genus ; it is closely allied to the 

 preceding but has the antennae entirely testaceous and the thorax longer 

 and more distinctly narrowed towards base ; there seems, however, to be 

 some variation in the shape of the thorax in these small species, and the 

 colour of the antennae is somewhat deceptive. Thomson speaks of a 

 variety of T. tenellus with the antennae entirely testaceous. L. 1| mm. 



This species appears to have been introduced by Mr. Crotch, but I 

 can find no record of any locality for it : in Dr. Power's collection, 

 however, there are doubtful specimens from Birdbrook and Cowley which 

 appear to belong to it, as also do the specimens from Eltham which are 

 placed under T. tenellus. 



(T. spinicollis, Rye. A single specimen of this curious insect was 

 taken by Mr. J. Kidson Taylor of Manchester under flood refuse by the 

 river Mersey on August Dth, 1868 ; it is black with the first joint of the 

 antennce, the thorax, elytra, and legs, rufo-piceous ; the thorax is trans- 

 verse, scarcely cordiform, with an impression on each side behind, and 

 the anterior angles produced into a short but evident spine, coarsely 

 punctured ; the elytra are double as broad and more than twice as long 

 as thorax, very coarsely and almost rugosely punctured ; the hind body 

 is black, shining, very delicately and at the apex widely punctured ; it 

 is of the same size as T. arcuatus, and is in some ways allied to that 

 species, but diflCers widely from it in several particulars ; no further 

 specimen has occurred, and it is very probable that it was an importa- 

 tion.) 



THZ^OBIXrS, Kiesenwetter. 



There are about twenty-six species at present comprised in this genus, 

 of which thirteen are European, and the lest occur in Siberia and North 



