1915.] - 25] 



of abdomen with large excavation, margined at sides with obtuse tubercnlesj 

 Femora stout. Anterior and intermediate tibiae incrassate from middle to 

 apex ; posterior tibiae bent outwards and incrassate to apex. Tarsi with 

 joints 2 and 3 about equal in length, with single claw. Antennae with 7 joints : 

 1 large, longer than broad ; 2 — 6 transverse and equal ; 7 very large, above 

 about as broad as long, with sides from base to middle about parallel, thence 

 rounded to apex, with apex slightly acviminate, and covered with short 

 pubescence ; lower surface of 7 (see fig. 2a) deeply excavate and nitid withinj 

 the outer lateral margin obtusely angled at base, and with fringe of long 

 pubescence from middle to apex, rounded at tip, the inner lateral margin 

 dentate in middle, thence rounded to insertion of 6th joint. Maxillary palpi 

 with last joint short and oval. Length, 1.60 mm. 



$. Slightly smaller; last joint of antennae (see fig. 26), not excavate, 

 sub-trapezoidal, base emarginate, anterior margin longer than basal, and 

 rounded ; eyes smaller, less conspicuous ; elytra shorter, more attenuate at base ; 

 and ventral surface of abdomen transversely excavate at base. Length, 1.50 mm. 



Hah. : Sarawak, Mt.Merinjak, alt. 600 feet (24.v.l4,2 ^ ^,1 ^, 

 fouiid by sifting dead leaves in jungle). 



This species belongs to Group IV. The excavation of the apical 

 joint of antenna of the ^ is less transverse and very different in shape 

 from that of any of the other species, and the excavation is very deep. 



Cyathiger dispar sp. n. (Plate XX, figs. 5, 5a, J" ; hh, ? .) 



(? . Ovate, attenuate in front, convex, finely and confluently pvinctured, 

 ferruginous, with short, pale pubescence ; tarsi and palpi testaceous. Head 

 about as broad as long, with sides rounded at base, slightly attenuate in front, 

 frontal tubercule prominent, and stronglj'^ sulcate in middle, almost bilobed in 

 front ; eyes placed at about middle, not very prominent. Antennae with 

 7 joints : 1 large, narrowing to base, outer margin slightly rounded to apex ; 

 2, 3, and 4 transverse ; 5 and 6 narrower, not so transverse ; 7 very large, trans- 

 verse, sub-reniform, acuminate at apex, its upper surface covered with rather 

 long pale pubescence ; lower surface of 7 (see fig. 5a) with deep excavation, the 

 apical margin oblique, dentate in middle and rounded to base, the outer lateral 

 margin of excavation dentate at base, and furnished with rather long pubes- 

 cence internally, and rounded at apex. Maxillary palpi with last joint short 

 and somewhat oval. Prothorax about as broad as long, a little longer than 

 head, rounded at sides, widest about middle, sides slightly sinuate about 

 middle. Elytra sub-quadrate, longer than prothorax, attenuate and rounded at 

 shoulders, with a basal depression and obsoletely silicate. Abdomen a little 

 shorter than elytra, attenuate to apex. Metasternum transverse and concave ; 

 at each side, above posterior coxae, a blunt tooth. Ventral surface of abdomen 

 entirely excavate in middle, margined on each side of excavation with small 

 obtuse tubercules, and at base of excavation with two deeper round excavations. 

 Femora broad and punctured. Tibiae narrower at base ; anterior and inter- 

 mediate pairs incrassate from middle to apex, posterior pair bent outwards 

 from middle to apex. Length, 1.20 mm. 



U2 



