118 Dr. M. Burr — Avtes on the Forficularia. 



is described as being a little shorter than the third. The 

 additional material shows that this is not the case. 



Opisthocosmia nieuwenhmsij sp. n. 



Statiira minore, graeili ; fusco-castanea, pronoto albo-limbato ; for- 

 cipis bracchia cJ basi valde remota, basi ipso sat fortia, diver- 

 gentia in tertia parte basali, gracilia, elongata, arcuata, apicem 

 versus fere recta ; margine interna denticulata ; apice ipso 

 incurva. J . 5 ignota. 



c?. 



Long, corporis 8 mm. 



„ forcipis 6 „ 



Rather small, of slender build ; general colour dark 

 chestnut. 



Antennae (six segments remain) brown, rather thick; 

 third segment short and fourth iialf as long again, fifth twice 

 as long as the third. 



Head dark^ blackish chestnut, smooth, sutures indistinct. 



Pronotum dark chestnut, the sides white, slightly wider 

 than long, truncate anteriorly ; the sides gently rounded, 

 posterior margin widely rounded. 



Metasternal lobe narrow, scarcely wider than long. 



Elytra ample, long, smooth, well rounded at the shoulders, 

 dull reddish brown. 



Wings long, brown, with a yellow band along the suture. 



Feet yellowish, not very long, first tarsal segment above 

 half as long again as the third. 



Abdomen deep chestnut-brown ; each segment blackish at 

 its base, rather coarsely punctulate. 



Last dorsal segment with a pair of compressed tubercles at 

 each angle, very broad ; posterior margin somewhat rounded 

 and flattened between the tubercles at the exterior angles, 

 this flattened part with three rather tumid elevations. 



Pygidium very short, broad, obtuse. 



Forceps with branches very remote at base, rather thick at 

 the base itself, but attenuate and slender for the rest o£ their 

 length, diverging at first and strongly arcuate in the basal 

 third, then gradually approaching, meeting about the apical 

 third, and straight, the apices curved in ; there are two or 

 three small but sharp teeth on the inner margin before the 

 branches meet. ^ . ? unknown. 



Borneo : Mahakhair (leg. Dr. JS^ieiiwenhuis, 1894, and 

 1 (J in Mus. Ley den.). 



Somewhat resembles D. sansiharicus, but considerably 



II 



