Two new Species of the Genus Enoplotrupes. 37 



surface obsoletely rugose, not much difference between the 

 rugosities of the head, protliorax, scutellum, and elytra. Head 

 behind the horn, protliorax at the anterior margin and 

 in the impressions at the side of the horn smooth, shining. 

 Head with a small longitudinal carina in front of the horn, 

 especially distinct in the female ; the anterior margin equally 

 rounded ; a tooth on each side near the eyes, not large ; the 

 impression behind the horn somewhat arcuate. Prothorax 

 broader than the base of the elytra, at the sides and posterior 

 angles strongly rounded, not tootlied at the outer margin ; 

 the median line behind the horn nearly obsolete. Elytra 

 broad, rounded, slightly convex, with some obsolete raised 

 lines, one of which near the shoulder is a little more raised at 

 its base. 



J*. The horn of the head very long, curved backwards, 

 that o£ the prothorax also long, curved towards the front, 

 bifurcate, its base compressed, nearly surrounded by the 

 smooth impressions ; the latter are only separated by a small 

 carina above the horn. The smaller the males the shorter 

 are their horns, and their prothorax more resembles that of 

 the female as they diminish in size. 



? . Head with a short conical horn ; prothorax with an 

 atute transverse carina, elevated on each side into a tooth ; 

 these latter are a little larger than those at the anterior angles 

 of the prothorax. The impressions on the sides of the carina 

 are nearly obsolete. 



This species is principally distinguished by its uniformly 

 slightly rugose upper surface in the male, by its long curved 

 horns on the head and prothorax, and by the wide impres- 

 sions of the prothorax. The elytra are of the same size and 

 form as those of E. sinensis, Luc, but are much more rugose, 

 and the raised lines are stronger. 



We have both males and females from Siam. 



Enoplotrupes splendens, sp. n. 



E. cseruleo-viridis, nitidus, capite prothoruccque Icviter rugosis ; 

 vertice areuatim imprcsso ; capite extus ad oculos obtuse angii- 

 lato, antice rotAindato ; prothoracis latcribus rotundatis, anguHs 

 posticis distinctis paulo rotundatis ; scutollo rugoso-puuctato, 

 apice excepto, in medio subimprcsso ; clytris ad hunitTos sub- 

 rotundatis, convexis, fortiter irregularitcrque striatis, iuterstitiis 

 rugosis ; tibiis anticis scxdcutatis. 



(S . Caput coriiu acuto, arcuato ; prothorax cornu bifurcate non 

 arcuato, ante anguloa auticos valde impressus, fere toto spatio 

 circum cornu fjcvi. 



