the Coleopterous Family Erotylidce. (5) 381 



Oxylanguria acutipennis, sp. n. 



Viridis, subpurpurea, elongata; capite tlioraceque sparsini sat 

 profunde punctatis; el}'tris profunde striato-punctatis; prosteriio 

 Isevi ; metasterni lateribus abdoinineque sat crebre piinctatis. L. 

 Q^^- — Sjliii. Sarawak, Sumatra (Wallace). 



The tibiae are thickly fringed with golden hairs at the apex 

 within. 



Callilanguria. 



g. n. {typ. luzonica, Crotch). 



Antennae short, club very gradual, 7th joint hardly dilated, 

 3rd not longer than 4th; eyes very finely granulated, sides of 

 front incrassate, clypeus convex; mentum large, pointed in front; 

 mandibles very large, head angulated at the sides to receive them. 



Thorax globose ; epipleiiral fold hardly marked ; prosternum 

 with the process depressed, truncate; mesosternum depressed in 

 front, apex eraarginat^', ventral process acuminate, no coxal line. 

 Tarsi very broadly dilated. Elytra obliquely truncate at the 

 apex. 



Callilanguria luzonica, sp. n. 



Elongata, acuminata, nigra, thorace, cum epipleui'is, rufo, 

 parcissime punctato ; elytris viridibus, punctato-striatis. L. 

 10 — 11 lin. Luzon. 



Callilanguria Wallacii, sp. n. 



Elongata, postice acuminata, Isete castaneo-rufa, antennis pedi- 

 busque (femoribus basi exce[)tis) nigris, elytris apice nigrocyaneis ; 

 capite thoraceque sublsevibus, hoc sine plica epipleurali, basi mar- 

 ginato, hand striato; elytris punctato-striatis, interstitiis laevibus; 

 cor|iore subtus obsolete punctulato. L. 5 lin. Sumatta (Wallace). 



Elytra truncate, external angle dentate. 



Doubledaya. 



Wldte, Proc. Ent. Soc. 1850 xiii. — Trans. Ent. Soc. Ser. 2 ii. 

 2 {typ. viator. White). 



Antennae about as long as the head and thorax, 3rd joint 

 equal to the 2nd, 5 — 7 subequaj, clavate, 8th dilated, triangular, 

 9th larger than 8th or lOtli; head with the eyes prominent, 

 front narrowed, finely margined, clypeus distinct, transverse, 

 deeply emarginate. Thorax convex, longitudinally impressed, 

 base with a stria on eath side. Prosternum with a broad truncate 

 process; mesosternum subelongate, grooved in front for the pro- 

 sternum; ventral process acuminate, no coxal line. 



Mentum extremely narrow, transverse, gently emarginate in 

 front. 



