new Species o/'Histeridas. 83 



not interrupted in carollnicm as figured by Marseul ; Paykull's 

 figure, Mon. pi. x. fig. 2, is good and correct. 

 Bab. Uganda, Central Africa. 



Pachycrcerus curtistriatus, sp. n. 



Ovalis, parum convexus, niger, nitidus ; fronte impressa, stria 

 integra ; pronoto lateribus punctato, stria marginali antice late 

 interrupta ; elytri8, striis 1-3 integris, 4 et suturali diniidiatis, 

 5 fere dimidiata ; propygidio pygidioque punctatis ; prosterno 

 striis brevissimis ; mesosterno antice marginato. 



L. 3| mill. 



Oval, a little convex, black, and shining ; the head very 

 finely punctulate, frontal stria complete, with a shallow im- 

 pression behind it ; the thorax, marginal stria fine and not 

 continuing behind the head, punctured laterally with some 

 large points and some very fine, disc with only the fine 

 points ; the elytra, striae 1-3 complete, 4 and sutural dimi- 

 diate, the fourth has a basal linear appendage, 5 is rather 

 shorter than the fourth ; the pygidia are rather coarsely and 

 somewhat closely punctured ; the prosternum, strise short 

 and only intercoxal ; the mesosternum is distinctly bordered ; 

 the anterior tibise are 5-6-denticulate. 



This species is the only one known which has short pro- 

 sternal intercoxal striae. 



Hab. Zambise (II. Swale). 



Pachycrcerus punctipennis, sp. n. 



Oblongo-ovatus, convexus, niger, nitidus ; fronte impressa ; pro- 

 noto punctato, stria marginali integra; elytris striis 1-4 integris, 

 5 nulla, suturali integra basi hamata, disco punctato ; propygidio 

 haud dense punctato ; tibiis anticis 5-6-dentatis. 



L. 3 mill. 



Oblong-oval, convex, black, and shining ; the forehead 

 impressed in the middle behind the stria, stria well marked 

 at the sides, anteriorly it is sinuous and not so clearly 

 defined, on the surface anteriorly there are a few microscopic 

 points and along the base of the head there are large scattered 

 punctures ; the thorax is evenly not closely punctate, mar- 

 ginal stria complete, behind the head the stria is fine and 

 irregularly crenate; the elytra, striae 1-4 complete, with 

 more or less crenate edges, and the fourth is punctiform in 

 the apical half, 5 is wanting, sutural is complete ami hamate 

 at the base, turning away from the scutellum, the interstice 



G* 



