THE HISTER BEETLES. 607 



1150 (3490). HiSTEH ABBEEViATUs Fab., S.vst. Ent, 1798, 53. 

 Broadly oval, con\ex. Thorax with inner stria en- 

 tire, outer usually extending to middle, often shorter ; 

 surface finely punctulate. Elytra with two subhumerals, 

 the inner apical, the outer basal, the two with their ends 

 overlapping near middle ; entire dorsal stri.-e. four, strong- 

 ly punctured, fifth short, apical, sutural reaching middle. 

 I'ygidiuni finely and sparsely punctate. Front tibite with 

 four feeble teeth, the apical one bifid. Length 3.5-5.5 mm. 

 (Fig. 231.) 



Throttghout the Stale; frequent. A])ril 12-(J(;- 

 tober 9. Occurs especially beueath dead fish and turtles along sandy 

 margins of lakes and ponds; also rarely in ftuigi, cow dung, etc. 



1151 (3491). HiSTEE civius Leo., Host. Journ. Nat. Hist, V, 1845, 55, pi. ::. 



fig. 5. 

 Oblong-oval, subdepressed. Thorax with inner stria entire, the outer 

 represented only by an arc at front angle. Elytra without subhumeral and 

 with only three dorsal strijv. the fourth existing merely as a trace at apex. 

 Propygidium coarsely and very spa'rsely, pygidium more finely, punctured. 

 Front tibiae with very fine teeth or none at all. Length 4 mm. 



Vigo County; rare. June 11. One specimen from beneath a 

 chunk in dry upland woods. 



H. semisculfiius I^ec, form oblong, is known from Illinois. H. 

 dispar Lee, also A\'ith three 4orsal stris, occurs in Georgia, Illinois 

 and Kansas. 



1152 ( ). HiSTEB oscuiATUs sp. nov. 



Broadly oval, convex. Thora.x with inner stria entire, close to margin, 

 outer one wholly absent; disk coarsely and rather sparsely punctate on 

 sides, smooth at middle. Elytra with four entire dorsal strife, a trace of 

 fifth near apex, sutural on apical third but not reaching apex ; inner sub- 

 humeral deeply impressed on apical third, outer absent. Propygidium and 

 pygidium sparsely and finely punctate. Front tibiaj with three teeth, the 

 middle one the largest. Notch of mesosternum rather deep and broadly 

 rounded. Length 5.5 mm. 



Posey County; rare. ^Fay 26. The absence of outer thoracic 

 stria, the coarse punctures on sides of thorax and the presence of 

 four entire dorsals, readily distinguish this from all other members 

 of the depurator group of Horn. 



1153 (3494). HiSTEE depubatoh Say, Journ. Phil. Acad. Nat. Sci., V, 1S25. 



33; ibid. II, 261. 



Broadly ovate, convex. Thorax with the inner stria entire, outer vari- 

 able, usually reaching middle or beyond. Elytra with three entire dorsal 

 striie, fourth apical, rarely half the length of elytra, fifth a mere trace, 

 sutural reaching middle; inner subhumeral moderately impressed at apex, 



[39—23402] 



