Mr. W. L. Dirftaut's Rhjnchotal Notes. 317 



Centrotypus latimargo. 



Centrotus latimargo, Walk. Jourii. Linn. Soc. Lond., Zool. i. p. 163 

 (1857). 



Hab. Borneo. 



Centrotypus pactolus. 



Otinotus pactolus, Buckt. Monogr. Membrac. p. 233, pi. lii. 6g. 7 a 

 (1903). 



Hab. Perak. 



Centrottjpus tauriformis, sp. n. 



Pronotum dark bluish black ; face and body beneath 

 thickly greyishly pilose ; legs fuscous brown ; tegraina pale 

 ochraceous, apical third castaneous, costal area black ; pi'o- 

 notum thickly, somewhat coarsely punctate, lateral processes 

 strongly recurved, somewhat slender, excluding bases almost 

 impuuctate, convexly narrowing to apices, which are sub- 

 acute, behind middle strongly transversely carinate, tlie 

 carination not reaching apex, disk obsoletely centrally cari- 

 nate, posterior process strongly tricarinate, its apex narrowed 

 and subacute and passing the posterior angle of the inner 

 tegminal margin. 



Long., incl. tegm., 9 mm. ; exp. lat. pronot. process. 7 mm. 



Hab. Java (ex. Buckton Coll.). 



A species to be recognized by the somewhat slender, 

 strongly recurved, lateral pronotal processes. 



Centrotypus pronotalis, sp. n. 



Pronotum bluish black ; face and sternum greyishly 

 pilose ; abdomen beneath and legs testaceous ; tegmina 

 shining ochraceous, the costal and apical areas a little darker 

 and more purplish ; pronotum thickly coarsely punctate, the 

 lateral processes gradually narrowing and strongly recurved, 

 their apices subacute, behind middle transversely carinate, 

 the disk faintly carinate, the posterior process strongly tri- 

 carinate, its apex almost reaching the tegminal apex. 



Long., incl. tegm., 9 mm. ; exp. lat. pronot. process. 8^ mm. 



Hab. Java (A. R. Wallace). 



Allied to the preceding species, C. tauriformis^ but with 

 the lateral pronotal processes longer and more crescented ; 

 colour of tegmina quite dissimilar, &c. 



