PERIBASrS ALBISPARSA. 203 



pi. 27 , fig. 3 , from Penang) by the want of the longi- 

 tudinal stripes on the thorax, by the different sculpture, etc. 



Per {basis alhisparsa^ n. sp. cf. 



Length from antennary tubers to end of elytra 17 mm.; 

 length of elytra from tip of protruding shoulders to end 

 12 mm.; breadth across shoulders 6^/3 mm. 



Black , the elytra with a metallic gloss , the outer three 

 fourths of the basal two thirds bright greenish blue. Head 

 and thorax opaque , the elytra sub-nitid on the bright 

 coloured portion. Nearly glabrous but varied with scattered 

 short hairs and spots of a pale fulvous or white pubes- 

 cence. The head with five pale fulvous spots : two elon- 

 gate and slightly oblique ones on the face touching the 

 inner orbit, two others on the lower part of the cheeks, 

 the fifth , somewhat heart-shaped , on the vertex. The tho- 

 rax covered with short scattered pale fulvous hairs. The 

 scutellum densely covered with a pale fulvous pubescence. 

 The elytra with pale fulvous roundish spots on the 

 dark coloured portions, and with clear white spots and 

 confluent vermiculations on the bright coloured streak. 

 The under surface of the body densely covered with a 

 greyish fulvous pubescence, sparser however along the 

 middle. The legs covered with a delicate greyish pile. The 

 antennae are black , brownish black towards the apex , 

 the 5th joint, except at the apex, covered with a greyish 

 white pile. 



The head with a smooth line along the middle , the 

 face rather densely punctured, sparsely so behind the eyes; 

 the mandibles deeply hollowed on the lateral surface. The 

 antennae longer than the body , finely rugose , the scape 

 somewhat coarser ; the 3rd joint one and a half as long 

 as the scape , the 4th and following joints gradually de- 

 creasing in length , the 11th somewhat longer than the 10th. 



The thorax slightly transverse , sparsely covered with 

 very minute glossy granules , and armed on the middle of 



Notes from tlie Leyden IMtiseum, Vol. X. 



