THERMONOTUS OBERTHÜRI. 207 



of the thorax ; between the eyes and the mandibles and 

 on the vertex the head is slightly impressed; the face is 

 sharply defined laterally. 



The prothorax is transverse ; the lateral spines are 

 broad at the base , of an almost regular triangular shape 

 and slightly curved backwards at the tip ; the disk be- 

 tween the lateral spines is raised , coarsely punctured and 

 with a smooth space and a small notch opposite the 

 scutellum. The scutellum is broadly rounded posteriorly. 



The elytra are slightly narrowing towards the end , 

 their shoulders and apices are rounded , between the scutel- 

 lum and shoulders the base projects forward so as to form 

 a hump on each side of the scutellum ; the elytra are 

 strongly but not densely punctured and the punctures 

 become smaller towards the end ; the sutural interstice is 

 strongly raised and the two costae pretty well visible. 



Undersurface and legs impuuctate ; the legs covered 

 with a grayish pile; the apical ventral segment faintly 

 emarginate posteriorly. 



Hah. Benkoelen (Sumatra occid.). — A single male 

 specimen in the collection of Mr. Rene Oberthür. 



As to the coloration this species calls in mind Eustathes 

 semiusta Pasc. from Amboyna. 



Leyden Museum, November 1896. 



Notes from the Leyden Museum, Vol. XVIU. 



