TIIK IIISTKK BEF/FLES. ' 605 



oo. Subhumeral stria- wholly absent. 



p. Apex of prosternal lube truncate: epipleura with two stria j ; 



length 5-5.5 iiim. 11.14. FUKTIVTS. 



l>l>. Apex of prostevnal lobe rounded: epipleura with three stria?: 



length 4-0 mm. 1153a. INCERTTS. 



mi. Elytra with four entire stria 1 ; outer thoracic stria abbreviated; 



form oblong ; length 4.5 nun. CURTATUS. 



1144 (3477). HISTER HARRISII Kirby, Fauna Bor. Amer., IV, 1837. 124. 

 Rounded-oval, convex. Surface sparsely and equally punctured. Tho- 

 rax with two stria\ the outer entire and slightly curved at base, the inner 

 often slightly the shorter. J]lytra with four entire stria', fifth extending to 

 middle, sutural longer than fifth, subbumeral entire. Front tibia 1 with four 

 or five teeth, the apical shorter than the second. Length 4-5 mm. 



Lake, Laporte, Pulaski, Cass and Marion counties; frequent. 

 April 10-June 26. Occurs principally in cows' dung. Frequent 

 beneath chunks on beach of Lake Michigan. 



1145 (347JM. HISTER MKRDARIUS Iloffm., Ent. Ilefte.. I, 3!>. 

 Oblong-oval, convex. Thorax with two entire stria- which usually unite 



at the base, the inner somewhat sinuous, a few sparsely placed punctures 

 along the sides. Elytra with four entire stria' or with the fourth slightly 

 abbreviated at base, fifth and sutural extending to middle, subhumeral en- 

 tire, nearly straight. Front tibije with four teeth, the apical one more 

 prominent than the second and slightly notched at tip. Propygidiuiu rather 

 sparsely, pygidium more densely punctured. Notch of mesosternum deep 

 and broadly rounded. Length 5.5-7 mm. 



Throughout the State; frequent. April 25-October 24. 



114(1 (3480). HISTER INTERRUPTUS Beauv.. Ins.. 1805. 180. 



Broadly ovate, convex. Thorax with two entire stria 1 , not united at 

 base, the inner rarely sinuate, surface without punctures. Elytra with 

 three entire stria', fourth slightly abbreviated at base, fifth very short, su- 

 tural extending in front of middle. Pygidium rather finely and sparsely 

 punctured. Front tibia j with five teeth, the apical one shorter than the 

 second and bifid. Notch of mesosternum broad but very shallow. Length 

 5.5-7 mm. 



Common beneath rubbish along the beach of Lake Michigan : 

 taken elsewhere only in Vigo County, where it is scarce. May 6- 

 October 11. 



114f>a (3482). HISTER INTERRUPTTS IM MUNIS Erichs.. Kl. Jahrbuch, 1834. 



143. 



Close to iiiti'iTii/il UN and, in my opinion, only a variety of that species. 

 Differs by being shorter and proportionally broader, and by having the su- 

 tural stria very short or often entirely obs'ilHo. Front tibia 1 with five sub- 

 equal teeth. Length 5-<'> mm. 



