TiTK rniorxi) dee-i-lks. 91 



linibably ch'cui' in 1hc Stiite, though but three of them have as yet 

 been taken. 



KEY TO SPECIE.s OF GROUP A. 



a. Elytra without a dnrsal puuctuie. 



h. Head of iiicjclerate size; tliovax longei- than broad, the basal impres- 

 sions linear, single. 121. adoxu.s. 

 Till. Head very large; thorax iiuadrate, its basal impressions broad; hind 

 trochanters rounded at tip. kostkatus. 

 aa. lOIytra each with one dorsal puncture behind the middle on the third 

 interval. 

 c. Basal iniiircssions ot thora.x doul)le or histriate. 



■7. Hind angles rectangular, longer and prominent; elytral stri;e 

 puuctulate. substbiatis. 



lid. Hind angles subobtuse or very small ; elytral striae not puuctu- 

 late. apalachius 

 cc. Basal impressions of thorax single. 



r. Hind angles of thor.ax rounded or obtuse; larger, 10 mm.; thorax 



without an ini])ressed line in front. 12::. obsoletu.s. 



cc. Hind angles of thorax rectangular, prominent ; elytral stri;u 



deep : small, not uxer s mm. 123. honestxis. 



121 (519). Pteeostk'I-iu.s adoxtjs Say. Trans. Amer. Phil. Soc. II. 1S2:'>. 



4(i ; ibid. II. 472. 

 Elongate, rather slender. Black ; antenniB and palpi dark reddish- 

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

 thence gradually narrowed to base; sides e.xcurved near bind angles, which 

 are rectangular and denticulate; basal lines deep. Klytral striiE not punc- 

 tured, intervals subconvex. I^ength 13-1.5 mm. 



Throughout the State ; frequent. AjDril 18-October 6. Occurs 

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



122 (.">:^2). Pterostichvs onsoLETis Say. Trans. Amer. Phil. Soc. I\'. 



ls;!4. 424; ibid. II. 5:',7. 

 Elongate, slender, subconvex. Black or piceous. shining; antenna:' and 

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

 pressions rounded, deeji and small. Klytra a little wider than thorax, the 

 stri;e j)uuctured, indistinctly so on sides and apex. I^ength '.l.-'j-lo..'') mm. 



I)eseri1)ed from Indiana; (>r<'nrs throughout the State. ^lareh 

 21-AuguRt 22, Fre(|uent in hilly reiiions beneath stones and old 

 logs. 



12:'. (."i.'l'.l I. I'TKKOsTJCHrs HOXESTls Say. Tr.-uis. Amer. 

 Phil. Soc, II, 1S2:!. .f|l ; ibid. II. 47.'i. 

 Klongate-oval. subconvex. Black or jiiceous; anteuna> 

 and legs 1 eddish-brown. Thorax scarcely longer than 

 wide, much narrowed behind the middle .-md sinuate on 

 sides : basal impressions narrow and deej), with the space 

 between them i-oarsely and sjiarsely punctured. Elytra 

 more oval and convex than usual, much broader than „ ^y 



thorax, the stria' deep, not imnctured. Length S nnn. (After I.eng). 

 (Fig. o7.) 



