88 SERRICORXIA. [Cryjtti>/ti/jiHuii. 



C. dermeatoides, Herbst. (Zurochros dennesl aides, Thorns.). 

 Black, unicolorous, finely pubescent, rather depressed ; head thickly 

 punctured, antennae long and thin, black with huso lighter, second and 

 third joints of about equal length ; thorax about as brond as long, rather 

 strongly convex, with sides rounded, very finely and somewhat rugosi !> 

 punctured, with the lateral carina; extending beyond middle, and with 

 more or less distinct traces of a smooth central lino. ; elytra rather findy 

 striated, with the interstices finely and obsoletely punctured ; legs 

 yellowish-red, with tibiae often darker. L. 2-3 mm. 



On the banks of streams, in gravel, under stones, &c. ; local, but common in many 

 high and northern districts ; Bewdley ; Church Strctton ; Lhiir^ollen ; Cupel Curig 

 jind Snowdon district generally ; Hepton ; Uipon ; Scarborough ; Lancaster district ; 

 Northumberland and Durham district, common; Scotland, common, Sol vav, Forth, 

 Tny, Dee, Moray, aud probably other districts; Ireland, near Dublin and Killarncy. 



V. quatln 'gut lafus, Lap. (C. teiragraph'us, Germ.). This variety has 

 two small spots on each elytron, one at base and another before apex ; 

 it may easily be known from C. quadripHstulatus by the spots on elytra 

 being much smaller, and by not having the posterior angles of thorax 

 reddish-yellow, but unicolorous with the rest of the thorax. 



Found under the surnc circumstances and in company with the type form in the 

 same localities. 



EXiATER* Li mie. 



This genus contains about a hundred species, of which very few are 

 found in tropical countries; they have a very wide range, extending 

 from Siberia and Lapland in the north to Patagonia in the south ; a 

 large proportion of the species occur in North America ; twenty-seven 

 have been met with in Europe, of which eleven are found in Britain : 

 the larva? do not appear to call for any particular remark ; they differ to 

 a certain extent among themselves in punctuation, and in the form of 

 the last abdominal segment ; as they are nearly always found in decay- 

 ing trees, they are not destructive to crops. In structure and scxilpture 

 the species are very closely allied, and it is therefore better to tabulate 

 them by their colour for the sake of identification ; the posterior angles 

 of the thorax are projecting and carinate in all the species. 



I. Elytra bright scarlet, nuicolorous. 



i. Thorax shorter, less parallel-sided, and more shiny. 



1. Pubescence black ; central furrow of thorax 



traceable throughout E. SANOUINEUS, L. 



2. Pubescence rufescent or pale fuscous ; central 



furrow of thorax only visible at base . . . . E. LYTHHOPTBRUS, Germ. 

 \\. Thorax longer, more parallel-sided, and duller . . E. OOCCINATCS, Rye. 



II. Elytra bright scarlet, as a rule marked with a large 



common elongate black spot ; central furrow of 

 thorax entirely wanting or very feebly marked at 

 base E. SANGtMNoLENTUB, Schr. 



III. Elytra bright scarlet, with the extreme apex more 



