294 Mr. J. S. Baly on the Pliytophag-a. 



on the face ; jaws deeply punctate, their apex black ; anteuuse slender, 

 filiform. Thorax nearly three times as broad as long-; apex slightly 

 concave-emarginate ; sides rotundate-angustate in front, more quickly 

 narrowed at the apex, nearly straight and parallel behind, anterior and 

 posterior angles slightly produced, acute ; above moderately convex, 

 smooth and shining, sparingly impressed with fine but distinct pimc- 

 tures; sides near the anterior angles obsoletely excavated; extreme 

 lateral and basal margins indistinctly edged with piceons. Scutellum 

 semiovate, smooth and shining. Elytra broader than the thorax, 

 nearly twice as long as broad, nitidous, bright metallic green ; sides 

 subparallel, apex regularly rounded ; above convex, each elytron with 

 eleven rows of distinct punctures, the first abbreviated, outer row placed 

 on the extreme lateral margin, subsulcate; strise towards their apex 

 much more finely impressed, nearly obsolete; interspaces smooth and 

 shining, impunctate ; each elji^ron also impressed with two deep fovese 

 placed transversely immediately below the shoulder, the outer one on 

 the lateral border larger and deeper than the other, whicli is ovate and 

 placed in the middle of the disk ; on the outer margin beyond its 

 middle are also several indistinct foveje. 



SUthomela scinfiUans. 



S. ol)longa, convexa, nitida, obscure rufo-picea, ciipreo-micans ; antennis 

 extrorsum nigris ; pedibus obscm-e rufis, genibus cupreis ; supra cuprea, 

 nitidissima; thorace transverso, disco subremote, lateribus subcrebre 

 viridi-aeneo punctato ; elytris punctato-striatis, punctis \nridi-8eneis. — 

 Long. 5 lin. 



Hab. Dorey, New Guinea. 



Oblong, convex. Face deeply impressed between the eyes, lower 

 portion distinctly punctured, vertex remotely covered with minute 

 pimctures. Thorax more than twice as broad as long, apex deeply 

 concave, sides nearly straight, narrowed fi-oni base to apex, rounded in 

 front, posterior angles slightly produced ; surface covered with moderate- 

 sized but deep punctiu'es, which have a strong brassy-green reflexion. 

 Each el)i:ron impressed with eleven rows of similar punctures, the first 

 row abbreviated ; the pvmctures on each stria irregularly aiTauged in 

 a single line. 



Genus Chalcomela, Baly. 



Chcdcomckt ornatissima. 



C. rotundata, valde convexa, nitido-cuprea ; pedibus, ore antennisque rufo- 

 fulvis, his extrorsimi nigi-is ; elytris pimctato-striatis, albo-flavis, sin- 

 gulatim limbo basi angustato et ad anguhim suturalem dilatato, macnlis 

 duabus, harum una humerali, altera pone medium, ulraque limbo ad- 

 fixa, plagaque magna irregulari conmumi prope medium posita nitido- 

 cupreis. — Long. 2^ lin. 



Ilab. Dawson's Iliver, Queen.sland, Australia. 



Ilotundate, very convex, shining cupreous; lower porlion of face. 



