Ifl/'/riijj(,rU.<.] ADKl'IIAUA. 183 



K. rufifrons, Duft. Oblong oval, ratlier convex, very scantily 

 pubescent ; head ferruginous in front and behind, thorax Avith side 

 margins obscurely lighter, strongly punctured on margins, disc very finely 

 punctured, almost smooth ; elytra fuscous with the base and exterior 

 margins obscurely ferruginous or testaceous ; legs ferruginous, antennae 

 fuscous with lighter base ; elytra closely and rather strongly punctured ; 

 male with the anterior and intermediate tarsi slightly dilated. Long. 5, 

 lat. 2| mm. 



A very local species; ponds, &c. ; Wimbledon; Chobham ; Coombe ; Cambridf^c, 

 Huntingdonsliire, and Norfolk Funs; Askham Bog (sometimes commou) ; Nortbum- 

 berlaud, Boldon Flats (not uncommon); Scotbind, rare, Tweed, Dee, and Clyde 

 districts ; Ireland, near Belfast. 



This species resembles the preceding, but is easily distinguished by its 

 larger size, more shining appearance, scanty pubescence, and somewhat 

 stronger punctuation. 



K. long-ulus, ^NIuls. (celaius, Clark). Oval, -not elongate, with short 

 and very scanty jnibescence, either somewhat shiny or dull, black or 

 pitchy with antennae and legs red, head sometimes reddish ; thorax finely 

 punctured on disc, elytra closely and distinctly punctured, the punctures 

 becoming obsolete towards apex, sides somewhat rounded ; anterior tibiie 

 and tarsi rather broad : this species is rather variable, some specimens 

 l)eing duller and some having the elytra more distinctly punctured than 

 others ; there is also a considerable difference in size and in the punctua- 

 tion of disc of thorax, and in some examples the elytra are rufescent 

 towards apex. Long. 3-3^, lat. 1| nnn. 



Rare; running water; Surbiton, Bradgato Park, Black Park, Tilgate Forest 

 (Power); Malvern Hills (Sharp); Snowdon (Brewer); Cheviots (Sb:irp) ; Scotland, 

 rare in Highland districts in trickling water, Forth, Tay, Dee, Moray (Braemar, 

 ilanisoul, Thornhill, Pitlochry, &c.). 



K. long-icornis, Sharp {jiarallelus. Sharp). Oblong oval, rather 

 narrow and elongate, almost without pubescence, head black or pitchy 

 lilack almost impunctate ; anteniue long and slender, either clear red, or 

 more usually with the joints (except the two or thn'c basal ones) some- 

 what infuscate ; thorax black, with the extreme sides somewhat reddish, 

 sides very little narrowed in front, with the middle parts impunctate, 

 the punctures towards margins being distinct and close ; elytra black, 

 distinctly and moderately closely punctured, the punctures at margins 

 and apex being indistinct, each elytron with two longitudinal rows of 

 larger punctures ; legs red ; the sexes are very difficult to distinguish. 

 Lung. 3|, lat. 1| mm. 



Very rare; Rannoch, Perthshire (Sharp) ; north of Northumberland (Bold) ; Wales 

 (recorded by Sharp) ; the sjwcies has also been found in Finland and Savoy. 



This species is closely allied to //. inelaiiariuii, but is rather narrower 

 and more elongate, and has the elytra more finely punctured ; the 

 antenna! also are more elongate ; the two punctured lines on the elytra, 



