252 [September, 



$ . Last joint of antennae (see fig. 56) strongly transverse, inner margin 

 rounded, anterior margin slightly curved, basal margin emarginate at the 

 insertion of the 6th joint, and attenuate outwardly ; elytra shorter, more 

 attenuate at base ; ventral surface of abdomen transversely excavate at base. 

 Length, 1.20 mm. 



Hab.: Sarawak, Mt. Matang (8.xii.l3, S ^ c^ , 7 ^ -^ , found by 

 sifting dead leaves in j ungle) . 



Belongs to Group IV, and evidently allied to C. horneensis Raffr. 

 The excavation of the last antennal joint in the ^ is somewhat similar, 

 but the shape of the joint itself is very different, and it is a smaller 

 insect. The $ has the last joint of antennae shaped very miich as in 

 C. impar Raffr., and more transverse than usual. 



• 

 Cyathiger elomjatu^f sp. n. (Plate XX, figs. 4, 4a, ^J ; 45, ? .) 



^ . Elongate-ovate, convex, ferruginous, sub-opaque, rather strongly and 

 confluently punctured, with short, pale pubescence ; tarsi and palpi testaceous. 

 Head about as long as broad, attenuate in front, and rounded at base ; frontal 

 tubercule prominent, nearly bilobed, shortly sulcate in centre ; eyes placed at 

 about middle and rather prominent. Antennae with 7 joints : 1 large, longer 

 than broad, with outer margin slightly rounded from base to apex ; 2 trans- 

 verse, narrower than 1 ; 3 more transverse, as wide as 1 ; 4, 5, 6 transverse, 

 about eqvial to 2 ; 7 very large, irregularly sub-orbicular, convex above, coria- 

 ceoiis, with short, pale pxibescence ; lower siirface of 7 (see fig. 4a) largely, but 

 not very deeply, excavate, nitid within, the external lateral margin of excava- 

 tion dentate in middle, the inner lateral margin entire, rounded, the basal 

 margin emarginate. Maxillary palpi with last joint short and somewhat fusi- 

 form. Prothorax longer than head, a little longer than broad, with sides 

 rounded. Elytra longer and broader than prothorax, about as long as broad, 

 slightly attenuate anteriorly, impressed at base near shoulders, the latter well 

 marked. Abdomen nearly one-half shorter than elytra, attenuate to apex. 

 Metasternum concave in middle and transverse ; on each side a large blunt 

 tooth. Ventral surface of abdomen deeply and entirely excavate in middle, 

 the excavation bounded on each side by a ridge of small obtuse tubercules. 

 Femora broad and strongly punctured. Tibiae with outer margin incrassate 

 from middle to apex. Length, 1.20 mm. 



? . Eyes less prominent ; last joint of antennae (see fig. 4b) smaller, 

 slightly transverse, with long, pale pubescence, and joints 2 — 6 about equally 

 transverse ; elytra shorter, about eqvial to abdomen in length ; metasternum 

 concave in middle, and with a large, slightly curved tooth on each side ; ventral 

 surface of abdomen deeply and transversely excavate at base. Length, 1.20 mm. 



Hab.: Sarawak, Mt. Matang, alt. 1,000 feet (16.xii.l3— l.ii.l4» 

 6 J (J, 12 ? 9 , found by sifting dead leaves in jungle). 



Belongs to Group IV. This species is somewhat allied to 

 C. vidt(,us Raffr., in Group V, in the character of the apical joint of 



