326 CLAVicoRNiA. [CryptopTictgus. 



Forest Hill; Slicppy ; Soliam, Cambridgcsliire ; Hastings; Devonshire; Sutton 

 and Knowle, Birmingham; Northumberland district, rare, Long Benton, on walls 

 of an outhouse; Scotland, rare, Lowlands, Solway district; Ireland, near Water- 

 ford. 



The two following species require confirmation as British, as they 

 rest only on one or two specimens, which may very probably have been 

 importations. 



(C fuscicornis, Sturm. Allied to C. dentatus, but rather smaller and 

 more cylindrical, Avith much more strongly and widely punctured elytra, 

 and with the anterior angles of the thorax strongly prominent and 

 terminating behind in a sharp tooth ; the lateral tooth is situated at the 

 middle of the sides, which are more narrowed behind it and less strongly 

 crenulated than in C. dentatus. L. 1| mm. 



A single specimen has been taken by Dr. Sharp in the London district, 

 on which Mr. Eye introduced the species, remarking at the same time 

 that Erichson's description does not quite agree with the specimen taken, 

 which has very long pubescence ; Erichson especially says that the 

 pubescence of C. fuscicornis is short; Mr. Bold records one example 

 from the Northumberland district as confirmed by Rye and Kraatz. The 

 C. fuscicornis of Mr. Crotch's catalogue was afterwards withdrawn by 

 him, his example being only an extreme variety of C. dentatus. 



(C. siihfmnatns, Kr. This species resembles C. validus, being nearly 

 as large, but narrower, especially at the thorax, the anterior callosities 

 of which are more distinctly prominent. L. 2| mm. 



A single specimen has been taken by Mr. G. C. Champion in the 

 London district, and Avas recorded in 1876 (Ent. Monthly Mag. xii. 178) ; 

 it has not, however, occurred since. 



MICRAMBS, Thomson. 



This genus was founded by Thomson to include Erichson's Para- 

 mecosoma aUetis Qi\di pilosida ; the latter of these (Skand. Col. x. 66) 

 he positively identifies with the Cryptvpliarjus vini of Erichson (Insect. 

 Deutsch. iii. 369) ; the male of this latter common British species 

 appears to have the posterior tarsi 5-jointed and therefore must be 

 separated from Cryptopliagns, and Thomson's identification would seem 

 to be correct, as he says that he has examined Erichson's examples ; the 

 genus appears to be very closely allied to Paramecosoma, and mainly to 

 differ in the denticulation of the sides of the thorax. In the catalogue 

 of Heyden, Reitter, and Weise both species are included under 

 Cnjptopliagus ; the question, therefore, seems still to be considered 

 somewhat doubtful ; the two species below described are exceedingly 

 closely allied, and M. ahietis has been before introduced as British on 

 examples of M. vini ; a specimen returned to me not long ago from 

 the Continent as the former species must undoubtedly be referred to 

 the latter. 



