THE grot; X I) i!i;i:i'LES. 97 



lo4 (571). I'lKKo.sru 11 1 s (okvim^ I »t'.i.. Spci-. Ill, ISL'7, l-'lSl. 



Elongate, uiore rol)ii>;i. Black, antoiuue and tarsi piceous. Thorax 

 rather short, sides rounded, not sinuate, hind angles very slightly promi- 

 nent or subobtuse; basal impressions very deep, sparsely and coarsely 

 punctured. Elytra) stri.-e (l^ep. u'll or very tinely punctured. Length 

 18.5-35 mm. 



Prefjuent about the niara'iiis of lakes in the northern half of 

 the State: not yet taken in the sonthern half. ^lay 5-October 29. 



I'.iTi (."iTL'i. I'TEKOsTRiii s nALKK.MAM Lcc. Auu. Lyc. Nat. Hist.. IV. 1S4S, 

 341. 

 Oblong, very robust, subdepres^^ed. Black, elytra imt shining; an- 

 tenn;e and tarsi piceous. Thorax a little broader than long, narrowed be- 

 hind, sides scarcely sinuate, basal impressions not punctured. Elytral 

 strife narrow, deep, not i)unctured: intervals convex. Length 22-24 mm. 



A sonthern form, rare in Indiana. Two specimens from mar- 

 jiins of cypress swamp. Knox C'ounty. April 23-May 25. This 

 species and the next two Avere formerly classed under the genus 

 Loj)hogIossus Lee. distingtiished by the iignla being obttisely cari- 

 nate for its whole length. They also have the thorax strongly re- 

 tiexed, gradually wider liehind, the front transverse line deep, dis- 

 tant from margin, the hind angles obtnse; dorsal punctures three. 



13G (573). Pterostichus taktarkts Say. Trans. Anier. Phil. Soc, II, 

 1823. 44: ibid. II. 469. 

 Oblong, depressed. Bl.ick. shining, antenme, tibia- and tarsi piceous. 

 Thorax with sides distinctly sinuate tow.-irds the base. Elytral striie finely 

 and indistinctly punctate, intervals subconvex. Male with subapical tooth 

 on inner surface of middle tibi;e short, obtuse; the apical process large, 

 acute. Length 10-20 mm. 



Thronghottt the western half of the State, connnon ; especially 

 so in sandy localities near water. Hibernates. A})ril 17-Decem- 

 ber 28. 



i:!7 I. "74). I'TIOKOSTK lus scKi TATOK Lcc.. Aiiu. Lyc. Xat. Hist.. IV, 184s, 

 342. 

 Oblong, depressed. Black. \'ery shining; legs .-ind anteun;e piceous. 

 Hind angles of thorax less prominent llian in turtaricus and elytral strise 

 differing as inentlimed in key. Male witli subapical tooth of middle tibije 

 long and sharp; the apical jirocess nut distinct. Length 15-l(i nun. 



Cass Connt>'; rare. Se])tember 15 Two specimens taken by 

 Dr. Robert Hcs.sler from a ditch dug about a burning peat bog near 

 Royal Center. 



