404 INSECTA. 



or of a reversed cone; one of the two spurs of the internal extremity 

 of the two anterior tibiae is inserted higher than the other, with a 

 notch between them. The four or three first joints of the anterior 

 tarsi of the males are in general but slightly dilated. The palpi are 

 never elongated. They are shore Insects, and peculiar to Europe 

 and Siberia. 



Sometimes the labrum is very short, transversal, and terminated 

 by a straight line. The last joint of the exterior palpi is almost obco- 

 nical, thicker and truncated at the extremity. The mandibles ad- 

 vance considerably beyond the labrum. The anterior tarsi of the 

 males are sensibly dilated. 



ELAPHRUS, Fab. ELAPHRUS, BLETHISA, PELOPHILA, Dej. 



In some of them, and the lasgest Blethisa, Bonelli the thorax 

 is wider than it is long, plane, bordered laterally, almost square and 

 slightly narrowed towards the posterior angles. 



Here, the three first joints of the anterior tarsi of the males are 

 strongly dilated and cordiform. They are the Pelophilce of De- 

 jean *. 



There, the four first joints of the anterior tarsi of the males are 

 slightly dilated they form the Blethisa, Dejean f. 



In the others, the thorax is at least as long as it is wide, convex, 

 cordiform and truncated. The body is proportionably more convex 

 than in the preceding subgenera. The four first joints of the ante- 

 rior tarsi are slightly dilated in the males. These latter alone com- 

 pose his genus ELAPHRUS. 



E. uliginosus; C. uliginosus, Fab. ; Elaphrus riparius, Oliv., 

 Col. II, 34, 1, 1, A E. About four lines in length, of a black- 

 ish bronze, with numerous puncta ; little depressions or fossulae 

 on the front and thorax, and others with a violent bottom and 

 elevated contour joined to each other on the elytra ; tarsi bluish- 

 black ; tibiae sometimes of the latter colour and sometimes rus- 

 set. These latter individuals have been considered as a distinct 

 species cupreus by MM. Megerle and Dejean. It is rare 

 in the environs of Paris, but common in other parts of France, 

 and in Germany, Sweden, &c. 



E. riparius, Fab., Clairv., Entom., Helv., II, xxv, A, a ; Ci- 

 cindela riparia, L. ; Elapkrus paludosus* Oliv., Col. 11,34, 1, 4, 

 b; Panz., Faun. Insect. Germ, xx, 1. About a third less than 

 the uliginosus; above, very finely dotted with dead-cupreous, 

 mixed with green ; circular green impressions with papillated 

 centres arranged in four lines, and a polished, shining cupreous 

 spot on each elytron near the suture. Common in the environs 

 of Paris J. 



Sometimes the labrum is almost semicircular and rounded ante- 



* Carabus borealis, Fab. ; Nebria borealis, Gyllenh. ; Panz. Faun. Insect. Germ., 

 LXXV, 8. 



f Carabus multipunctatus, Fab. ; Panz. Ib. XI, 5. 



+ For the other species, see Dej. Spec. II, p. 268, et seq. 



