82 CLAVICOEXIA. [Eunncnif. 



cylindrical, as long as the two following, and thicker, joints 9-11 forming 

 a gradual and not very marked club ; thorax longer than broad, im- 

 punctate, feebly rounded and widened before middle, with four foveae 

 at base ; elytra oval, convex, much broader than thorax, very finely and 

 obsoletely punctured, each with a distinct fovea at base ; femora clavate, 

 thickened towards apex ; posterior trochanters elongate. L. 2 mm. 



Male with intermediate tarsi feebly, and anterior tarsi strongly, 

 dilated. 



In haystack and vegetable refuse, cut grass, dung-heaps, under stones, &c. ; 

 generally distributed and common throughout the London and southern districts and 

 the midlands ; rarer further north ; Northumberland and Durham district, rare ; 

 Scotland, rare, Sol way and Tweed districts. 



E. rufus, Mull, (affilis, Mots. ; Cholems rufus, Thorns. ; Heterognatlnts 

 rufus, King). A small convex species, of a rufo-testaceous colour, with 

 rather fine yellowish pubescence ; head large, antennae moderately long, 

 with the last three joints forming a club, the two penultimate ones 

 being about as long as broad ; thorax ovate cylindrical, slightly longer 

 than broad, without foveae at base ; elytra short oval, much broader in 

 the middle than thorax, very finely but visibly punctured ; femora 

 clavate, strongly thickened towards apex ; the metasternum is very long, 

 and the hind legs viewed from above appear to start from the apical 

 portion of the elytra ; this is the case, to a somewhat lesser degree, 

 with E. iarsatus ; the sexual differences appear to be very slight. L. 

 1^ mm. 



Undt r bark, and in damp wood mould ; very rare ; two specimens only have 

 occurred in Britain, one taken by Mr. Champion in Kichtnond Park, Surrey, in 

 March, 1871, and a second which was kindly given me by Mr. E. A. Butler, who 

 captured it in 1882 at Hurst Green, Sussex, a village near Etchingham Station on the 

 S.E. railway; he found it on his little girl's dress, after she had been playing in a 

 field for some time, so that it evidently came out of the grass, and might perhaps be 

 obtained by sweeping in the locality ; it is found not rarely in some parts of Europe 

 under bark and in rotten stumps with ants. This species and E. tarsatus certainly 

 seem to belong to different genera. 



CEPHENNIINA. 



The genera belonging to this tribe are very distinct from the rest of 

 the Scydmsenidse in general appearance by reason of the broad thorax 

 which is about as wide at base as the elytra, so that the insects present 

 a continuous outline; in the genus Euthia, moreover, the elytra are 

 truncate and leave the pygidium exposed ; the maxillary palpi, as in the 

 Eumicrina, are apparently 3-jointed, the fourth joint being very short 

 broad and obsolete, and rounded in conjunction with the third joint ; 

 two of the three European genera are found in Britain. 



I. Apex of elytra truncate, pygidium exposed ; base of thorax 



with five fovea) EuiHlA, Sleph. 



II. Apex of elytra rounded, pygidium covered; base of thorax 



\N ithout fuvcaj CEPHENNIUM, Mull. 



