612 FAMILY XXV. — iiisteuid^t;. 



(J. Sntural stri;i entire. 



.'. Form snbe.^linclrical ; all the dorsal struo entire. pakai-LELL'S. 



<■(■. Ii'(]rui depressed; flftli dorsal abbreviated at base. 1168. -EQUus. 

 (hi. Sutural htria abbreviated at base; form cylindrical. 

 /. Tborax evenly punctured ; mesosternal stria entire. 



1169. COAECTATUS. 



ff. 'I'liov.-ix nearly smootb at middle; mesfisternal stria broadly inter- 

 rupted. 1170. BASALIS. 



* 11(15 ("fil!)). HiSTEE cAKOLiNus Payli., Monog. Hist, 1811, 45. 



Broadly ovate, subdepressed. Black or piceous, shining ; 

 legs reddish-brown. Thorax with outer marginal stria pres- 

 ent, very fine ; disk smooth. Elytra with three entire dorsal 

 stria;, fourth and fifth apical, reaching the middle, sutural 

 somewhat longer. Front tibise with five rather fine teeth; 

 middle tibise with four, hind tibiae with three, short spines. 

 Length 3-3.8 mm. (Fig. 232.) 



Probably our most common species of Hister; 



Fig- 232. X 7. "^ _ 



(Original.) found throughout the State, especially m low, moist 

 woods beneath bark and logs. January 11-Novernber 30. Often 

 gregarious in winter. 



*11G6 (3520). IIiSTEE LECONTBi Marsuel, Monog. Hist, 1853, 273, pi. 7, 

 fig. 17. 

 Oblong-oval, strongly depressed. Thorax smooth at middle; sparsely 

 and rather coarsely punctured on sides, the marginal stria entire. Elytra 

 with three entire dorsal stria;, fourth apical, extending to middle or beyond, 

 fifth short, apical ; sutural often wanting, sometimes as long as fifth. 

 Propygidium coarsely but very sparsely punctured. Front tibiae with four 

 teeth ; middle tibia' with three, hind tibiae with two, short spines. Length 

 2.5-3 mm. 



Throughout the State; common. Feljruary 11-Deeember 29. 

 Occurs beneath the close-titting bark of logs and stumps, especially 

 that of oak and elm ; rarely on fungi or at sap. 



1167 (3521). HisTEE AUEELTANis Hom, Proc. Amer. Phil. Soc, XIIL 1873. 



297. 

 Resembles lecontei but more depressed. Thorax almost smooth at 

 sides. Elytra \Aith three entire dorsals, fourth very short, apical; fifth 

 and sutural wanting. Length 3 mm. 



Ijawrence ('<mnty ; rare. Mfiy 23. Tal^en from decaying fungi. 

 Desciibed from Louisiana, but since taken by Dury near Gin 

 ciiiiiati. 



//. piifiilUius Say, length 2.5 mm., is known from Georgia south- 

 ward, but may occur in southern Indiana. 



1168 (3523). HisTEE iEQUUs Lee, N. Sp. N. Amer. Col., I, 1863, 61. 

 Oblong, strongly depressed. Black or piceous-brown, shining. Thorax 



finely and rather densely punctured. Elytra with four entire dorsal striie 



