XXIV.— On a Collection of Stag-Beetles 

 (Fam. Lucanidae) from Sarawak. By 



P. Nagel, Hannover, Germany. 



i.. TRISCUSPIS. 



The type of G. tricuspis, a most rare and interesting species 

 was described from Solok (Sumatra) ; to my knowledge this 

 species is now recorded also from Borneo for the first time 

 (S. M. J., No. 10, p. 302). 



Gr. BORNEENSis nov. spec. (Fig. 6). 

 (f ignotiis. 



9 Gnaph. velutino consimilis. Supra fuscus, snbferrugineo 

 velutinus, hand nitidns ; snbtus brunneus, omnes partes 

 punctatissimas et puncta omnia seta singula liitea ornata. 

 Capite densissime punctato ; margine antico recto, angulis 

 anticis valde rotundatis ; inter oculos longitndinaliter depress© , 

 in medio tuberculo transverso instructo. Cantho postice 

 rectangulariter triincato nt in Gn. velutino 9 • Clypeo 

 porrecto, rotnndato ac pnnctato. Mandibnlis capite breviori- 

 bns, punctatis, nitidis, supra canaliculatis. Mento semicir- 

 culariter rotundato, valde rugoso (in Gn. velutino angulis 

 rotundatis, sparsim punctato). Prothorace transverso, capite 

 latiore, angulis anticis productis rotund atisque, lateribus 

 antice convergentibus (in Gn. velutino parallelis), dense 

 punctato, margine punctisque dense velutinis. Scutello 

 subtriangulari, punctato, setoso. Elytris prothorace baud 

 latioribus, illo certe 2 J longioribns, elytra singular longitudi- 

 naliter 5 carinis setosis, inter carinas singulas a base fere usque 

 ad apicem (in Gn. velutino solum usque ad medium) lineis 

 2 longitudinalibus setosis instructa ; apice rotundata. Pedibus 

 punctatis, tibiis anticis pluridentatis, coeteris unispinosis (in 

 Gn. velutino inermibus). 



