34 CARABID^E. CARABTJS. 



tracted behind, posterior angles subrotundate and elevated, disk 

 finely but thickly rugose-punctate, with the usual dorsal furrow 

 slightly impressed, base with a deep transverse depression. 

 Elytra wide, ovate, very convex, the apex slightly acuminated, 

 having a distinct furrow on each side and the margins strongly 

 inflexed, the entire surface finely punctured and granulated and 

 marked with three obsolete interrupted lines which together with 

 the suture are rather more elevated ; body beneath shining black, 

 legs elongate. Length 8 lines. 



Widely distributed and frequently abundant in sand and gravel 

 pits, under stones and among dead leaves in woods throughout 

 the kingdom. 



Genus 12. CARABUS, Auctorum. 



Mentum dente medio lobis lateralibus cequali. Ligula brevis, 

 leviter acuminata ; paraglossis coriaceis, ei contiguis, eamque 

 super antibus. Palpi articulo ultimo securiformi. Mandibulse 

 unidentata, incurva. Labruin breve, apice plerumque emar- 

 ginatum. Tarsi antici maris articulis quatuor dilatatis, subtus 

 spongiosis. 



1. C. intricatus : elongatus, cyaneus ; thorace subcordato, an- 

 gulis posticis acuminatis ; elytris rugosis triseriatim sub- 

 tuberculatis. 



Linn. F. S. 780. Oliv. Ent. 3. 35. pi. 20. Gyll. Ins. Suec. 

 2. 54. Steph. Mand. 1. 47, et Manual, p. 14. Erichson, 

 Kafer, 12. 



C. cyaneus, Fab. Mant. 1. 195. Fab. S. El. 1. 171. Dej. 

 Spec. 2. 176 ; Icon. 2. 33. pi. 67. 



Head large, black with a violet tinge, forehead rugose with a 

 deep impression on each side; four joints at the base of the 

 antennae black and glabrous, the remainder fuscous and pubes- 

 cent. Thorax somewhat cordate, attenuated behind, the margins 

 elevated and the posterior angles acuminated, disk transversely 

 rugose on each side the dorsal furrow, cyaneous or greenish 

 with the margins blackish. Elytra elongate, rather wider than 

 the thorax, sides dilated beyond the middle, apex obliquely 

 sinuated, deep violaceous, covered with rugose irregular elevated 

 striae, each elytron with three more distinct series of elevated 

 oblong tubercles of a bronze colour forming interrupted lines ; 

 underside of the body glossy blue-black ; legs black. Length 

 12-14 lines. 



This grand species is very rare in this country, and appears to 

 be almost exclusively confined to the south-west district border- 



