Cryptophagiis.] clavicornia. 323 



distributed; Ha9tinp:s; Deal; Devonshire; Midland districts, Ivnowle, Kdj^bnston, 

 Repton, &c. ; Liverpool and Manchester districts ; Northumberland and Durham 

 district rather rare, Newcastle, Durham, &c. ; Scotland rare, Forth district only. 



The shape of tlie anterior angles of thorax will at once separate this 

 very distinct species from all our other Cryptophagi. 



C. fumatus, Gyll. Elongate, slightly convex, testaceous, clothed 

 "with fine depressed yellow pubescence ; thorax quadrate, narrower than 

 the elytra, closely punctured, with the anterior angles strongly reiiexed, 

 somewhat cyathiform or cup-shaped, and produced behind in a tooth, 

 lateral teeth of thorax situated in middle of sides ; elytra closely and 

 finely punctured, the punctuation becoming obsolete behind ; the antennae 

 have the third joint half as long again as second, a point that will 

 distinguish the species from many of its allies ; legs rufo-testaceous, male 

 with the anterior tibiae dilated towards apex, and the anterior tarsi 

 widened. L. 2|-3 mm. 



Very rare ; a pair were taken by Mr. Bold near Newcastle, and recorded by him 

 in Eut. Monthly Mag. vii. 35; it has subsequently beeu taken by Mr. Blatch in 

 fungi at Salford Priors, and by Mr. Gorham in a cellar at Shipley near Horsham, 

 and I have records from Cowfold near Horsham and from Deal ; as mentioned above, 

 the insects first introduced as this species by Mr. Rye proved to be 0. validus, 

 and it is probable that confusion has arisen in some collections owing to this 

 mistake. 



This species is most closely allied to C. validus in size, form of elytra, 

 and colour of pubescence, but may be easily distinguished from it by 

 the quadrate thorax and much more strongly developed teeth of the 

 anterior angles of the thorax, which are somewhat suggestive of those of 

 C. acutangulus, but are not hooked as in that species ; the shape of the 

 anterior angles of thorax, the form of the elytra, and the short golden 

 pubescence of these latter which is not arranged in rows, will serve to 

 separate it from C. cellaris ; as Erichson remarks, in shape it much 

 resembles one of the larger species of Corticaria. 



The C fumatus of Stephens' Illustrations, Mand. iii. 76, appears to 

 be only C. dentatus. 



Section V. 



The two species comprised in this section are distinguished by having 

 the elytra setose in rows ; this character is very plainly observable in 

 newly emerged and fresh specimens ; both species are rather common 

 and generally distributed. 



I. Upper surface somewhat depressed ; size larger ; third 



joint of antennae much longer than second C. CELLARIS, Scop. 



II. Upper surface convex ; size smaller ; third joint of antenna; 



scarcely longer than second C. affinis, Sturm. 



C. cellaris, Scop, (crenatus, Herbst. and Sturm). Somewhat 

 elongate, ferruginous or rufo-testaceous, finely punctured, clothed with 



T 2 



