100 ;\Tr. AT. Burr— iVo/fts oji the Forficnlaria. 



ft a ric:lit angle, then obtuse, not meeting ; near tlie base on 

 the uppevside on eacli branch there is a long and strong 

 conical obtuse tooth, pointing upwards and obliquely outwards 

 backwards ; forceps all black, entirely unarmed except for 

 these large tubercular teeth. 



Patria. Sarawak, Penrissen, May 1899, 2 c? . 



This curious form recalls Ancistrogaster in the form of the 

 abdomen, but the antenna} are different. It is very distinct 

 from any known form of Anechura, and in appearance 

 resembles certain species of Cheh'soches, except for the dilated 

 abdomen, which is oval in shape. 



22. Apterygida borneensisj Diibr. 



Kuching, Dec. Uth, 1898, Dec. 19th, 1899, July Uth, 

 1899,3 c?; May 1897, 1 ?. 



This species is represented by a variety in whicli the pro- 

 notum has no pale border, the head is reddish. The antenna} 

 have 21 segments, of which the tenth to twelfth and the last 

 two are pale whitish. 



23. Forjicula? ares, sp. n. (PI. IV. fig. 6.) 



Niger ; pronotum quadratum, postice rotundatum ; elytra latiora, 

 minutissime punctulata ; aloe nigrae, apice margine iuterno minute 

 tcstaceo-raaculatee ; pedes nigri : abdomen apicem versus pauUo 

 dilatatum, apice attenuatum, tuberculis lateralibus distinctis ; 

 segmentum ultimum dorsale attenuatum, medio profunde rotun- 

 dato-impressum ; segmentum penultimum ventrale magnum, 

 rotundatum ; pygidium hand perspicuum : foreipis brachia 

 gracilia, basi plus minus dilatata et deplanata, hac parte denticu- 

 lata dehinc inermia, rotundato-incurva, apice mucronibus attiu- 

 gentibus, baud decussatis. J . 5 ignota. 



Long, corporis 10*75 mm. 



„ foreipis 4-5 „ 



//ga J jet-black ; antennas with nine segments remaining, of 

 which the second is very small, the remainder gradually 

 lengthening, conical. 



Pronotum black, as broad as the head, straight in front, 

 the posterior margin rounded. 



Elytra short, broad, truncated at the apex, black, very 

 finely punctulated. 



Wings of the same colour as the elytra. 



Feet black, with a thin pubescence. 



Abdomen black ; lateral tubercles very distinct j broadest 



