216 Mr. J. S. Baly's descriptions of 



rounded fi-om base to apex, the hinder angles acute ; 

 above concave, cylindrical at the apex, finely granulose, 

 impressed, but not closely, with fine punctures ; in front 

 of the basal margin is a row of coarse punctures, the mar- 

 gin itself thickened and slightly raised along its middle, 

 causing the surface immediately in front to appear trans- 

 versely grooved ; surface obscure rufous, the disk deeply 

 stained with piceous. Scutellum rather longer than broad, 

 trigonate, its basal margin entire, its apex acute ; surface 

 nitidous. Elytra convex, each elytron transversely exca- 

 vated immediately below the basal margin ; surface mi- 

 nutely granulose, punctate-striate, the punctures distinct 

 at the base, obsolete behind the middle ; outer stria entire, 

 slightly sulcate ; interspaces plane, the outer one obsoletely 

 convex. 



Genus Melixanthus, Suffr. 

 Melixantlius Adamsi. 



Late quadrato-ovatus, postice vix attenuatus, fulvus, 

 nitidus, an tennis (basi exceptis), nigris; thorace basi 

 anguste nigro-marginato, tenuiter sat remote punctato; 

 scutello subcordiformi, apice acuto; elytris basi anguste 

 nigro-marginatis, regulariter punctato-striatis, interspatiis 

 planis, remote, tenuissime punctatis, leviter ruguloso- 

 strigosis ; utrisque plaga magna ovata male definita, 

 supra discum exteriorem posita, a paullo infra basin ad 

 pone medium extens^, picea instructis $ . 



Long. 1| lin. 



Hab. — Danes Island, Canton River; collected by 

 Mr. A. Adams, after whom I have named it. 



Head rotundate, plane, distinctly punctured, vertex 

 and front impressed with a longitudinal groove ; antennge 

 equal in length to the head and thorax, the basal joint 

 thickened, curved, the second very short, submoniliform, 

 the third and fourth each longer than the second, nearly 

 equal, subcylindrical, the fifth to the eleventh compressed 

 and dilated (the fifth rather less so than the others) and 

 forming a narrow elongated club ; the fifth to the ninth 

 trigonate ; the tenth and eleventh ovate ; the two lower 

 joints fulvous, the rest black ; eyes elongate, remote, 

 broadly but not deeply notched. Thorax twice as broad 

 at the base as long ; sides rounded and converging from 

 base to apex, hinder angles posteriorly produced, acute ; 

 basal margin broadly and obtusely sinuate on either side. 



