THE GROUND BEETLES. 161 



lilt' widest ii;irl nearly twice the widtli of tlie iiitse, aiiex sliglitly (•.iiieave, 

 Uind angles acute, divergent; surface si>avs<'ly and finely punctured. lOlytra 

 but little widened beliind, obsuletely costate. Length 7.5-9 mm. 



Throughout the State; frequent. April 10-October 17. 



•2S7 (071). Bkachynus cyanipennis Say. Journ. Phil. Acad. Nat. Sci., Ill, 

 1S23, 148 ; ibid. II, 91. 

 Elytra blue-black. Thorax shorter than usual, distinctly wider than 

 long, front angles obtusely rounded, hind ones evident, not prominent. Ely- 

 Ira slightly wider behind, the humeri distinct but strongly rounded, the 

 cost* very faint. Length 8-9 mm. 



Fulton County ; rare. June 20. 



lISS ( ). Bhachynus pulchellls sp. nov. 



Resembles perplcxus in form and size. Elytra distinctly darlier, black- 

 ish-blue ; sides of meso- and metasterna and entire abdomen fuscous. An- 

 tenu;e with joints 3 and 4 almost black. Thorax longer than wide, the base 

 gradually constricted, its disk more convex and hind angles acute and more 

 distinct than in perplex us. Elytra almost smooth, the humeri distinct. 

 Length 7-9 mm. 



Vigo and Posey counties ; scarce. February li-April 18. 

 From cordicollis, our only other small species with the third and 

 fourth joints of antennae dark, it differs in. the thorax being much 

 narrower and less constricted, and with less prominent hind angles. 

 This is one of the tirst species to appear in spring and is the only 

 one besides iormeniarms which has been taken in the winter months. 

 It occurs in low, sandy localities. 



289 (966). Bbachynvs pekplexus Dej., Spec. V, 1829, 426. 



Elytra dark blue; antennae and entire under surface, except the sides 

 of abdomen, reddish-yellow. Thorax longer than wide, the widest part 

 about twice the width of base; front margin truncate, the angles obtuse; 

 hind angles not at all prominent ; sides very broadly rounded in front of 

 middle. Elytra but little wider behind, obsoletely costate, nearly or quite 

 covering the abdomen ; humeri evident but narro\'\'. Length 8-9 mm. 



Posey County; rare. April 9. 



290 (965). Bkachynus minTjTUS Harr., N. Eng. Far., VII, 1S2S, 117. 

 Smaller and more slender than janthintpcnnis, which it resembles 



closely in form and color. Thorax more narrow, distinctly longer than 

 wide, much less constricted behind, the hind angles scarcely evident. Humeri 

 narrow, less rounded than in the next. Length 5.:". -6 mm. 



Jilarshall, Fulton, Whitley and Kosciusko counties; scarce. 

 June 5-Aus"ust 17. This is the piiyidlio of LeConte, which is re- 

 garded as a synonym of viinuhis, though the latter is said by Har- 



