﻿[June, 1S93. Leng and Beutenmuller. Coleopt. N. E. Amer. 75 



p. longicornis Say. — PI. V., Fig. 2. — Black above, piceus be- 

 neath; antennae rufous; feet testaceous; mouth parts rufous; thorax 

 somewhat broader than long, convex, sinuate behind, angles rectangu- 

 lar, dorsal line deep, basal impression rounded and punctured; elytra 

 with sides sub-parallel, strige deep and distinctly punctured, intervals 

 convex on the disc, flattened at the sides; antennae half as long as the 

 body. Length .52 inch =: 13 mm. 



Habitat : Northeast America. 



P. septentrionis Dej. — Shining black; thorax subcordate, 

 rounded anteriorly, sub-sinuate behind, hind angles rectangular, sub- 

 carinate, dorsal line distinctly impressed ; elytra, elongate-ovate, striae 

 with punctures, third interval with three deep punctures ; antennae 

 rufo-piceous ; legs ferrugineous. Length .40 inch = 10 mm. 



Habitat : New Hampshire to Labrador, westward to Alaska ; 

 also Siberia and Europe. 



P. rugicoUis Rand. — Black, body elongate, femora and tibiae 

 black; knees and tarsi piceus; head with a few transverse wrinkles; 

 thorax transversely rugose, much flattened, especially at the sides, 

 median line profound ; basal region punctured, with the posterior im- 

 pressions very rugose ; elytra much depressed, strire punctured, intervals 

 flattened. Length .45 r= 11.25 mm. 



Habitat : New York, Pennsylvania, Massachusetts and northward. 



Pogonus Dej. 



Size small : Head not constricted behind the eyes ; elytra mar- 

 gined at the base ; mentum tooth deeply notched ; ligula with a single 

 bristle at the top ; epilobes of mentum acutely toothed. 



The general appearance of this genus is that of Bradycelliis. 



P. texanus Chd. — Body short, robust, convex, and of metallic 

 blackish green color ; hind angles of thorax rectangular and the base 

 each side with two feeble foveae ; elytral striae faint, only the inner ones 

 being distinct, and distinctly punctured in front and only finely so be- 

 hind, the marginal and sub-marginal striae are confluent in front, the 

 latter is almost obsolete, except towards tip, where it is deep ; body 

 beneath, blackish brown ; legs testaceous. Length, .28-. 3 2 inch= 7-8 

 mm. 



Habitat : N. J. (Atlantic City), Texas. 



Trechus Clair. 

 Size small : Elytra almost twice as wide as long or oblong oval ; 



