1887.] PHYTOPHAGOUS COLEOPTERA OF CEYLON. 93 



narrow but distinct, longer than broad, its base slightly widened and 

 rounded. 



The general appearance of the insect for which I am obliged to 

 propose the present genus has much the appearance of a species of 

 Chrysomela on account of the ovate and strongly convex shape and 

 the very transversely shaped thorax ; the space between the insertion 

 of the antennae is much greater than is the case in the majority of 

 the HalticincB, while the strongly iiicrassate posterior femora leaves 

 no doubt as to the proper place of the genus amongst the latter 

 family. 



Chabria nigroplagiata, sp. nov. (Plate X. fig. 8.) 



Black ; antenncE and the tibiae flavous ; above fulvous or flavous, 

 a spot at the vertex, two at the thorax, two transverse bands at the 

 elytra, and a triangular spot near the apices of the latter black. 



Length 2ii lines. 



Headimpuiictate, the vertex with a black spot (sometimes wanting); 

 palpi piceous as well as the apices of the jaws ; antennae entirely 

 flavous or fulvous, scarcely half the length of the body, the third 

 joint about one half longer than the second, the terminal joints 

 gradually and slightly thickened. Thorax more than three times 

 broader than long, the sides rounded, the anterior angles obliquely 

 truncate (in one specimen more pointed), the surface with a few 

 scarcely visible punctures, fulvous, with a black spot of variable 

 shape placed on each side at the base. Scutellum black, or with the 

 base only of that colour. Elytra very convex, rounded towards the 

 middle and pointed at the apices, their surface scarcely or not visibly 

 punctured ; each elytron with a broad concave-shaped band near the 

 base, not quite extending to either margin ; another transverse band is 

 placed at the middle, each end being widened, and a triangular-shaped 

 spot near the apex. Underside and the femora and tarsi black. 



Bogawantalawa. 



Chabria apicicornis, sp. nov. (Plate X. fig. 9.) 



Piceous ; antennae testaceous, the two apical joints black ; thorax 

 and elytra minutely punctured ; the posterior tibiae and the tarsi 

 testaceous or flavous. 



Var. The basal joints of the antennge piceous. 



Length 2|-3 lines. 



Head rather broader than long, im punctate, the frontal tubercles 

 almost entirely absent, the space between the antennte broad, divided 

 at the base by a rather deep groove and bounded behind by another 

 transverse groove; clypeus broad, scarcely narrowed above, and 

 forming a single piece with the face ; labrum transverse, with a 

 row of fine punctures; palpi incrassate at the penultimate joint, 

 the apical one acute and conical. Antennae half the length of the 

 body, the third and fourth joints equal, the following slightly widened 

 at their apices, the two or three terminal joints black, the others 

 testaceous. Thorax with the sides very strongly rounded and narrowly 

 margined, the anterior angles entirely obsolete and oblique and 



