20 NORTHERN ZOOLOGY. 



(/3) Plebeia. Kirb. 



Family NEBRIAD^. Nebriadans. 



VIII. Genus HELOBIA. Leach. 



(17) 1.* Helobia castanipes. Chestnut-foot Helobia. 



H. (castanipes) atra, nitida ,■ elytris piceis, striatis : striis subpunctatis,foveolis quibusdam impressis ; arrfennis pedibusque, cas- 



taneis. 

 Chestnut-foot Helobia, black, glossy ; elytra piceous, furrowed : furrows indistinctly punctured with some punctiform 



impressions ; antenna? and legs pale chestnut. 



Length of the body 5 lines. 



Two specimens were taken in Lat. 65°. 



DESCRIPTION. 



Body black, glossy. Antenna?, mouth, mandibles, and palpi pale chestnut or mahogany colour ; 

 the former more dilute at the apex ; front with three or four slight furrows between the eyes ; upper- 

 lip very short : prothorax heart-shaped, constricted posteriorly, convex in the disk ; sides and base 

 depressed and lightly punctured : elytra dark piceous, striated or slightly furrowed : furrows very 

 obsoletely punctured ; interstices very flat ; between the second and third furrows, adjoining the 

 latter, are from three to five shallow but rather large impressions : the legs are slender, of a pale 

 chestnut or mahogany colour, in one of the specimens the thighs are darker than the rest of the leg. 



N. B. In one specimen there are three and in the other five impressions. 



(c.) Sarrothropoda. Kirb. 



Family CHLiENIAD^. 



IX. Genus CHLiENIUS. Bonell. 



(18) 1. Chl/enius sericeus. (Say.) Silky Chlaenius. 



Chlaenius sericeus. Say. Amer. Trans. N. S. 61, 1. De J. Coleopt. ii, 347, 47. 



laticollis. De J. Cat. 8. 



Carabus sericeus. Forst. Cent. 58. Oliv. Enajcl. v, 341, 89. 



Length of the body 6 — 7 lines. 



Several taken in the Journey from New York to Cumberland-house. In Canada, 

 by Dr. Bigsby. 



