Enicmus.'] CLAVICOKNIA. 285 



Park ; Nunhend ; Dulwich, very common in powdery fungus on birch (T. Wood) ; 

 Stretford (on thawing, Reston) ; Sherwood Forest (Blatch). 



E. brevicornis, Mannh. (carbonarius, Mannh.). Elongate, sub- 

 depressed, dull black, glabrous ; head and thorax rugosely punctured, 

 the former with an obsolete central channel or fovea, the latter with the 

 usual central and basal impressions, sides rounded in front and more or 

 less strongly contracted behind, anterior angles rounded and not marked ; 

 antennae very short with abrupt even club of which the second joint is 

 transverse, ferruginous-red ; elytra rather long and narrow, with two 

 oblique impressions before base, strise fine and finely punctured, inter- 

 stices flat, broad, and even, dull, alutaceous ; legs ferruginous. L. 1^-2 

 mm. 



Under bark ; rare ; New Forest, first taken by Charles Turner, and subsequently 

 by other collectors ; Mr. Blatch has also taken it on Cannock Chase under birch 

 bark. 



The short antennae and dull-black elongate elytra with their oblique 

 impressions and fine punctuation will at once distinguish this species ; 

 E. rugosus is of the same colour, and is found under much the same 

 conditions, but it has longer antennae, and its elytra are less elongate, 

 and more convex, with more obsolete punctuation and without oblique 

 impressions. 



CARTODERE, Thorns. 



This genus contains four British species ; they are minute insects 

 with elongate head and thorax, and long parallel or subparallel elytra 

 which are more or less strongly sculptured ; the antennae are inserted at 

 some distance from the eyes, which are small ; one of our species is 

 exceedingly abundant, but two are very rare, and perhaps are im- 

 portations. 



I. Anterior half of thorax without central fovea; club 



of antennae 3 -jointed. 



i. Head and thorax red, elytra black or brownish- 

 black ; upper surface sometimes unicolorous ; 

 elytra with seven or eight rows of punctures on 

 each C. RUFICOLLIS, Marsh. 



ii. Colour, as a rule, uniform, testaceous or ferru- 

 ginous, very rarely coloured like G. ruficollis ; 

 elytra with only six rows of very strong punctures 

 on each C. ELONGATA, Curt. 



iii. Colour uniform testaceous ; form very narrow ; 



elytra with seven or eight rows of punctures on each C. FILIIOBMIS, Gyll. 



II. Thorax with a broad round fovea on its anterior 



half ; club of antennae 2-jointed C. FILUM, Aube. 



C. ruficollis, Marsh, (collaris, Mannh., nanula, Mannh.). Elongate, 

 slightly convex, glabrous, head and thorax red, elytra black or brownish, 

 upper surface sometimes unicolorous reddish ; head longer than broad 

 with obsolete rugose punctuation, eyes small ; antennae rather long and 

 slender, testaceous ; thorax oblong, widest in front, narrowed behind, 



