S52 Mr. G. J. Arrow 07i a Contrihutmi to the, 



and the anterior thoracic horns generally diverge con- 

 siderably but sometimes shghtly converge. In small 

 specimens the dorsal horns may completely disappear. 



I have seen a considerable number of examples, most of 

 them males. 



Ewpatorus hirmanicus. 



Convexiis, sat longe ovatus, picetls, opacus, coriaceus, corpore 

 subtus parcissime rufo-liirto : 



$, clypeo acute bidentato, cornu gracili acuto, fortiter recurvato, 

 armato ; protliorace vix punctate, lateribus parum arcuatis, postice 

 fere parallelis, antice valde approximatis, angulis anticis acutis, 

 utrinque pone angulos anticos acute productis cornubusque duobus 

 dorsttlibus ante marginem posticam spatuliformibus approximatis 

 retro directis, pedum anticonim femoribus vix dentatis, tibiis paulo 

 elongatis, dentibus acutis transversis denteque infero verticali, tarsis 

 vix elongatis. 



Long. 45-48 mm. Lat. max. 25 mm. 



Hab. Burma: Moulmein, Mergui. 



The colour is a very dark chestnut, approaching black, 

 and the form convex and moderately elongate. TLe upper 

 surface is coriaceous and scarcely shining, the scutellum 

 and elytra quite opaque and the pygidium and propygi- 

 dium finely rugose and minutely setose. The lower surface 

 is very scantily furnished with tawny hairs. 



$. The head is bidentate in front and bears a long slender 

 and sharply-pointed horn, strongly curving backwards in 

 the basal half and afterwards almost straight. The 

 prothorax is about as long as it is broad, with the sides 

 nearly parallel behind and strongly tapering in front, the 

 margins produced into a sharp point on each side just 

 behind the front angle and the dorsal part bearing a pair 

 of spatulate horns placed close together behind the middle. 

 These are convex on their posterior face and concave on the 

 anterior, they slope backwards and their tips almost meet. 

 The legs are not long, but the front tibice are slightly 

 elongate and bear three ^nearly equal acute teeth set at 

 right angles and a vertical tooth on the lower surface at 

 the extremity. The front femur has an irregularly rounded 

 laminar projection near the middle of the anterior 

 margin. 



A second ^ specimen of low development shows the 



