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Show 346 MR. H. W. BATES ON FORMOSAN COLEOPTERA. [June 12, Very similar in general colour and other characters to M. splendens, but much more oblong in figure and more coarsely punctured ; the punctures of the elytra are large and distinct; the pygidium is convex and covered, but not closely, with large round punctures, its sides are distinctly sinuated, and its surface glabrous and brilliant. The male is relatively shorter and broader behind than the female. I have compared this species with type specimens of Mimela chi-nensis, Kirby ( = splendens, Sch.), in Major Parry's collection. PECTINICORNIA. NEOLUCANUS SWINHOEI. I am indebted to Major F. J. S. Parry for the following diagnosis and description of this fine insect:- " Latus, larvis, niger; mandibulis capitis longitudine arcuatis, interne irregulariter serratis, supra ante apicem dente parvo suberecto armatis; capite ad angulos anticos subquadrato ; prothoracis angulis posticis subtruncatis; elytris castaneo-fulvis, basi extrema et scutello nigris ; tibiis anticis latis, quatuor posticis inermibus. S • "Long. 6 (mandib. excl.) 1" 4'"-l" 6'". Fig. 2. Neolucanus swinhoei. " Closely resembling N. castanopterus of Northern India; its general form, however, is somewhat broader, the elytra more elongated, of different convexity, and less rounded at their extremity. The prothorax is wider in proportion, more depressed; head broader, with subquadrate angles more produced, less polished ; the form oi |