Speciea of Histeiidad. 419 



over the hind coxiu; tlic propygidium transversely punctured, 

 im])ressed slightly on either side ; the pygidium is evenly but 

 not thickly punctate, with the outer margin moderately 

 elevated; the anterior tibia) are 4-dentate, the tooth nearest 

 the base being very small. 



Hab. Martapura, S.E. Borneo {Doherty, 1891). 



Platylister andamanensis^ sp. n. 



Oblongo-ovatus, deprcssus, niger, nitidus, minutissirae punctiilatus ; 

 fronte oxcavata ; pronoto stria laterali validc impressa in medio 

 sinuata ; cly tris striis P-S'" integris, 4* dimidiata, o" ultra medium 

 abbreviata; propygidio pygidioque punctatis. 



L. 3| mill. 



Oblong-oval, depressed, black, shining, surface microsco- 

 pically punctulate ; the forehead and epistoma deeply exca- 

 vated, stria complete and feebly sinuous in front ; the thorax 

 — lateral stria strong, like that of Platysoma Confucii^ Mars., 

 but more sinuous in the middle, anteriorly the stria is feebly 

 crenulate and obscurely interrupted behind the eye, and again 

 more clearly but narrowly in the middle ; the elytra — striie 

 1-3 complete, 4 apical, reaching the middle, 5 a little longer 

 and for half its lengtli it bends slightly away from the suture ; 

 the propygidium punctured throughout, punctures largest at 

 the sides and of a smaller grade in the middle ; the pygidium 

 evenly punctate, punctures rather closely set, impressed on 

 each side, with the posterior margin moderately raised ; the 

 prosternum — lobe punctured evenly with rather small points, 

 with an arched lateral stria like that of Platysoma Confacii^ 

 Mars., keel and the surface of the other sternal plates with 

 very fine punctures, evenly but widely set, without a marginal 

 stria ; the mesosternum rather widely emarginate, stria com- 

 plete and formed like that of P. Confacii^ Mars. ; the anterior 

 tibiffi 4-dentate. 



Hob. Andaman Islands (Ro^estorf). 



Platysoma persimile, sp. n, 



Oblougo-ovatum,8ubdepressum, nigrum, nitidum ; fronte impunctata; 

 prouoto la^vi, stria anticf interrupta : elytris striis I'-S"" integris, 

 -t'-o* apicalibus ; pygidio impunctato ; mesosterno antice baud 

 striate. 



L. 4 mUl. 



Oblong-oval, black, shining ; the head impunctate, frontal 

 stria complete; the thorax — lateral stria deep and feebly 

 sinuous near the middle, anteriorly interrupted behind the 

 neck : the elytra — striae 1-3 complete, 4^5 apical ; the propy- 



31* 



