488 TRANSACTIONS OF THE 



Carabus pensylvanicus Melsli. Catal. 



Body green, polished; elytra dark purplish, with an obscure 

 greenish margin ; beneath deep piceous ; head impunctured ; an- 

 tenna) brown, rufous at base ; labrum ferruginous, slightly emar- 

 o-inate • thorax dilated in the middle, punctured, somewhat con- 

 tracted behind, edge slightly excurved near the base ', elytra 

 with numerous minute punctures, striae with approximate punc- 

 tures which are obsolete towards the tip, interstitial lines convex; 

 feet rufous. 



Resembles nemoralis, but is known by the convex interstitial 

 lines and less profoundly emarginated labrum. [?] 



Not common. 



[The description is hardly sufficiently definite to enable this 

 species to be fully determined. I have, however, applied the 

 name to the one afterwards described as C. puhescens Harris, 

 and C. viciims Dej. — Leg.] 



DIC^LUS* Bonel. Latr. 

 Anterior tibiae emarginate ; two anterior tarsi dilated in the 

 male and furnished beneath with dense, granuliform papillae; 

 antennae filiform ; labrum profoundly emarginate. [67] 



1. D. PURPURATUS. — Blackish ; thorax margined with pur- 

 ple; elytra purplish. 



Length nine-tenths to eleven-tenths of an inch. 



Carabus purpuratus Melsh. Catal. 



Diccelis purpuratus, tliorace transverse, purpureo irroratus, elytris sul- 

 catis, corpore abbreviate, dilatato. Bonel. Obs. Entom., Vide Mem. de 

 I'Acad. Imper. de Turin. 



Body beneath black, impunctured ; head black ; antennse with 

 ferruginous hairs towards the tip ; thorax black, tinged with pur- 

 ple, margin purple or purple-blue, depressed lateral edge re- 



* Since the prefatory observations to this essay were printed, I have 

 had the good fortune to find, in the library of this Society, the fifth 

 volume of the Class of Physical and Mathematical Sciences of the Me- 

 moirs of the Imperial Academy of Turin. This volume is particularly 

 interesting to me at this time, as it contains a portion of the essay on 

 the Linnsean Carabii by M. Bonelli, entitled "Observations Entomolo- 

 giques." From this essay I have made a few quotations in this genus. 



[Vol. II. 



