•I'lll'. (ll.'OliNI) I'.I'Mri'LKS. 91 



])rol);il)ly oci-ur in tlic Sinic, tliouiiii hut tlirt'c of tlieiii have as yet 

 been fiikeii. 



Ki;V I'O SI'ECIKS OK (iHOlP A. 



(/. I'llytra withniit ;i ddis.-il iniiiclurc. 



b. Head of UHxltM-alc si/.i- ; tlioiax Iduger thau broad, tlie basal inipn's- 



sioiis linear, single. 121. adoxi s. 



J)h. Head very large; thorax (luadrate, its basal iniiiressions broad; hind 



trochanters rounded at tip. kostratts. 



(/(/. Mlylr.-i (Mcli with one dorsal puncture behind the middle on the third 



interval. 



c. P.asal impressions ol thorax d(»ublo or bistriate. 



(1. Hind angles rectangular, longer and prominent; elytral striiO 

 punctulate. substriatus. 



dd. Hind angles subobtuse or very small; elytral stria; not punctu- 

 late. APALACHirS 



cc. Basal impressions of thorax single. 



c. Hind angles of thorax I'ounded or obtuse; larger, 10 mm. ; thorax 



without an im])ressed line in front. 122. obsoletus. 



ce. Hind angles of thorax rectangular, prominent; elytral strije 



deep ; small, not over S mm. 123. honesttjs. 



121 (519). Pterostichus adoxus Say, Trans. Amer. Phil. Soc, II, 1828, 

 46 ; ibid. II, 472. 

 Elongate, rather slendi'r. Black ; antennae and. palpi dark reddish- 

 brown; legs and abdomen piceous. Thorax widest in front of middle, 

 thence graduallj" narrowed to base; sides excurved near hind angles, which 

 are rectangular and denticulate; basal lines deep. Elytral strife not punc- 

 tured, intervals subconvex. Length 13-15 mm. 



Throughout the State; frequent. April IS-October 6. Occure 

 beneath logs and stones on the slopes of deep wooded ravines. 



322 (532). Pterostichus obsoletus Say, Trans. Amer. Phil. Soc, IV, 



1S34. 424; ibid. II, 537. 

 Elongate, slender, subconvex. Black or piceous, shining ; antennas and 

 legs reddisli-brown. Thorax orbicular, sides strongly rounded ; basal im- 

 pressions rounded, deep and small. Elytra a little wider than thorax, the 

 stria^ punctured, indistinctly so on sides and apex. Length 9.5-10.5 mm. 



Described from Indiana; occurs throughout the State. March 

 21-August 22. Frequent in hilly regions beneath stones and old 

 logs. 

 12:1 (539). Pterostichus iionestus Say, Trans. Amer. 



Phil. Soc, II. 1823. 51; ibid. II, 475. 

 i;iongate-oval. subconvex. Black or piceous; antenmB 

 and legs reddish-brown. Thorax scarcely longer than 

 wide, much narrowed behind the middle and sinuate on 

 sides: liasal impressions narrow and deep, with the space 

 lietween them coarsely and sparsely pimctured. Elytra 

 more oval and convex than usual, much broader than 

 thorax, the stri;e deep, not jnuictured. Length S mm. 

 (Fig. 57.) 



