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Show 648 REV. H. S GORHAM ON THE [Dec. 20, Head deeply sunk in the prothorax, so that the eyes are half hidden, crown punctured and uneven ; epistoma transverse and punctured ; labrum membranous, twice as wide as long ; eyes oblique coarsely granulate. Antennae more than half as long as the body, their third joint a little longer than the fourth, and this to the eighth gradually diminishing in length, ninth and tenth obconic, terminal joint triangular, obliquely truncate, as wide as long. Thorax shining, disk even, moderately thickly and distinctly punctured, front angles very acute, projecting as far as the base of the antennae when the head is not exserted. Elytra very convex, and much rounded on the sides ; viewed laterally the greatest convexity is at one third from the base, so that they are gibbous, their margins are reflexed but not expanded ; each has a yellow spot at the base, which has a deep notch behind, and the small humeral callus which invades it in front is of the pitchy-black colour of the elytra, also a somewhat arcuate transverse spot behind, notched on its front edge. The punctuation is thick and obsolete above, rather coarse and deep on the body beneath. Mr. Lewis secured a considerable number of examples of this insect. They were first met with on June 14, on fungoid growth on trees which had been broadly ringed ; they were then immature, but a week later mature examples were abundant, aud obtained by beating the brushwood. PANAMOMUS, Gorham. 1. P A N A M O M U S LEWISI, Gorh. Ent. Mo. Mag. ix. p. 207. Many examples were found by Mr. Lewis at Nagasaki in March 1881, also in April at Kumamoto, under dead leaves in sunny places in spring, the original example in fungoid growth. The species was described from a unique example captured by Mr. Lewis in the same locality, Nagasaki, in 1866. 2. PANAMOMUS DECORATUS, n. sp. (Plate LIII. fig. 10.) Flavus, ferrugineo variegatus, fere impunctatus, prothorace maculis tribus, duabus lateralibus angulatisbrunneis, una medianafusiformi nigra; elytris perobsolete punctatis, sutura pone medium, macu-lisque duabus in singulis, magnis subquadratis nigris; callo humer-ali interdum nigrescente. Long. 2f millim. Hab. K I U S H I U : Oyayama. M A I N I S L A N D : Kashiwagi. The size and form of this new species are the same as those of P. lewisi, the punctuation especially of the thorax more obsolete, in fact only very faint aud sparse punctures can be seen on the elytra under a strong lens. The antennae, some marks on the head, the margins of the thorax and of the elytra, with the suture, and callus of the shoulder are all darker than the ground of the elytra. In some specimens the club of the antennae is infuscate, and in one the anterior spot on each elytron is fused with the sutural plagia, and the whole insect is darker, and the punctures of the elytra are distinct and are seen to form in places irregular series. |