122 PROCEEDINGS OF THE NATIONAL MUSEUM vol. G5 



Head feebly convex, with the front trianji^^ilar. and the sides fee- 

 bly arcuately rounded; occiput narrow, and longitudinally carinate; 

 front not impressed; vertex with a very feeble arcuate elevation; 

 surface sparsely and finely punctate, the punctures deep, widely 

 separated, and regular in size, sparsely clothed with rather short 

 inconspicuous hairs; intervals densely and rather coarsely granu- 

 lose; eyes large, strongly convex, more acutely rounded at bottom 

 than on top, and separated on the occiput by about one-half the 

 distance between the antennal cavities; epistoma broadly and deeply 

 triangularly emarginate in front, with the lobe on each side strongly 

 angulated at the middle; antennae short, the third joint not as long 

 as the following two joints united. Pronotum strongly transverse, 

 one and one-half times as wide as long, widest at apical third, 

 slightly narrower behind than in front; sides broadly rounded an- 

 teriorly, then arcuately attenuate to the posterior angles, which are 

 rather obtuse; anterior margin feebly arcuately emarginate; base 

 rather strongly bisinuate, with the median lobe broadly rounded, 

 and feebly truncate in front of scutellum; surface evenly convex, 

 without impressions, but sparsely and finely punctate, the punctures 

 deep, elongate, and well separated on the disk, becoming coarser 

 and transversely rugose at the sides; intervals finely and densely 

 granulose, Scutellum small, triangular, the sides equal in length, 

 and the surface obsoletely granulose. Elytra distinctly wider than 

 pronotum at base; sides broadly rounded at humeral angles, nearly 

 parallel to behind middle, where they are slightly wider, then ar- 

 cuately attenuate to the tips, which are separately narrowly rounded ; 

 lateral margins coarsely serrate to the middle, the teeth very short 

 and widely separated; humeri prominent; base feebly angularly 

 lobed ; surface with an obsolete costa along the lateral margin, ex- 

 tending from behind the humerus to near the apex, each elytron 

 with a deep round impression at basal lobe, a feebly impressed one 

 at humerus, an elongate one along margin behind the humerus, a 

 round deeply impressed green spot on disk in front of middle, and 

 a feebly impressed green spot at apical third, densely and coarsely 

 punctate, the punctures irregular and becoming somewhat conflu- 

 ent at the sides; intervals densely and coarsely granulose. Ab- 

 domen beneath coarsely, deeply, and irregularly punctate, intervals 

 obsoletely granulose, and more shining than above; first segment 

 not impressed at middle; last segment with the lateral margins en- 

 tire, with a submarginal ridge, and the apex subtruncate. Pros- 

 ternum with a small rounded lobe in front; surface very sparsely 

 and coarsely punctate; prosternal process flat, triangularly ex- 

 panded behind the coxal cavities, and with a very short obtuse tooth 

 at apex. Femora robust; anterior pair with a large acute tooth on 



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