308 Mr. C J. Galian on a new 



shorter than the prsefrontals ; latter enterhig the eye ; frontal 

 slightly longer than broad, much longer than its distance from 

 the end of the snout, a little shorter than the parietals; loreal 

 short, entering the eye ; no prffiocular ; two postoculars ; 

 temporals 2 + 2; seven upper labials, third and fourth 

 entering the eye, seventh very long ; first lower labial 

 narrow, forming a suture with its fellow behind the sym- 

 physial ; second lower labial in contact with an azygous 

 chin-shield ; three pairs of large chin-shields, followed by a 

 very large azygous one, all broader than long. Body strongly 

 compressed, keeled above. Scales smooth, in 15 rows, verte- 

 brals strongly enlarged. Ventrals 194 ; anal entire ; sub- 

 caudals 63 ( ? ). Keddish brown above, with small dark 

 brown spots and ill-defined dark cross-bands ; an interrupted 

 yellow vertebral line, formed by a small spot on each median 

 scale; labials and chin-shields yellowish, edged with dark 

 brown ; belly yellowish, with some brown spots on the sides. 



Total length 460 millim. 



A single specimen from Maxwell's Hill, Larut, 3000 feet 

 elevation. 



Most nearly allied to A. monficola, Cantor, which differs 

 in the presence of a prseocular below the loreal and the 

 different arrangement of the shields on the chin. 



XL. — Description of a new Oenus and Species of Lomjicorn 

 Coleoptera from Central Formosa. By C. J. GahAN, M.A. 



DiCELOSTERNUS, gen. nov. 



Head vertical in front, deeply concave between the an- 

 tennal tubercles ; the latter deeply emarginate, with an acute 

 process on the inner side of the emargination and on the outer 

 side a cariniform ridge which extends downwards between 

 the side and front of the head. Antennaj of the female 

 reaching to about the apex of the elytra ; first joint stout, with 

 a foveate impression near the base ; third joint longer than 

 first or fourth, slightly thickened at the apex, the joints from 

 the fourth to tenth each widened gradually from base to apex, 

 narrowed to an acute edge on the anterior side, and more or 

 less acutely angulate at the apex. Prothorax armed with a 

 conical tubercle just behind the middle on each side ; the disk 

 strongly elevated, the elevation being highest just behind 

 the middle, sloped gradually to the base in front, and more ab- 

 ruptly sloped behind. Scutellum elongate^ sharply acuminate 



