CERornus melanocephalus. 35 



iudistinct towards the apex , of a shining black colour. 

 Tibiae and tarsi black. Claws appendiculate. Coxal ca- 

 vities closed. 



One specimen from Sidjoendjoeng and three from the 

 District of Rawas (Sumatra-Expedition). 



Spha'roderma ['^) striatipennis , n. sp. 



Subquadrate-oblong , convex, rufous. Six terminal joints 

 of the antennae black. Thorax rather closely punctured. 

 Elytra strongly puuctate-striate , violaceous blue , the apex 

 rufous. — Length I'/g — 2 lines. 



Head finely punctured at the vertex , with a narrow 

 transverse groove above the eyes. Frontal tubercles very 

 flat, divided. Antennae rather short, four or five basal 

 joints fulvous, the rest black, third and fourth joints 

 equal, second joint short. Thorax transverse, widened at 

 the middle, the sides rounded and narrowed towards the 

 apex, surface distinctly and rather closely punctured, with 

 a longitudinal obsolete groove at each side. Scutellum 

 triangular, obscure fulvous or piceous. Elytra very con- 

 vex, slightly widened towards the middle and narrowed 

 near the apex, strongly and regularly punctate-striate. 

 Posterior femora strongly incrassate, their tibiae with a 

 spine. Prosternum longitudinally excavated. Mesosternum 

 very short. Anterior coxal cavities open. 



Specimens from Boekit Kandang, Solok and Soeroelan- 

 goen (Sumatra-Expedition). 



I am somewhat doubtful whether the true position of this 

 species is in the genus Sphceroderma on account of the 

 regularly puuctate-striate elytra and the longitudinal groove 

 (which although obsolete is present in all the specimens) 

 near the sides of the thorax. The shape of the insect also 

 is less rounded than is generally the case and resembles 

 much the genus Phcedon amongst the true Cbrysomelinae. 



Notes from the Leyden M!useu.m, "Vol. "VI. 



