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Show 1875.] MR. A. BOUCARD ON THE GENUS PLUSIOTIS. 121 argenteo-viridis, elytris Icevibus margine lato argenteo-splen-dido, tibiis et tarsis aureis, antennis piceis. Length 11 lines. Hab. Chiriqui (Veragua). This species bas been well described by Mr. Charles Waterhouse in the « Entomologists' Monthly Magazine"' for June 1871. The type is in the collection of the British Museum. Besides, another specimen of this charming species is in the collection of Mr. H. W . Bates. M y description was taken from this specimen. It is one of m y desiderata. PLUSIOTIS ADELAIDA, Hope, Proc. Ent. Soc. 1840, p. 11. Plusiotis ornatissima, Sturm, Cat. 1843, p. 341, t. 3. f. 7. P. adelaida: oblongo-ovata, capite thoraceque viridibus, margine aurato; elytris viridibus, lineis argentatis; infra viridi-cenea, tibiis cupreis, tarsis cupreo-metallicis, antennis rufis. Length 1 inch 2 lines to 1 inch 4 lines. There is a fine variety of this species, with the head and the thorax green, with rufous lines, the elytra rufous with silvery lines and gold margin. This variety has been described by Sturm as ornatissima. I met with this fine insect at La Parada, near Oaxaca (Mexico), during the year 1858. It used to fly about at sunset; and I was able to catch several specimens by running after them with a butterfly-net. May and June are the months when there is some chance of meeting with this insect. As La Parada is a very mountainous country, covered with pines and oaks, it is very probable that it feeds on the leaves of these trees. M y colleague (of the Commission Scientifique du Mexique), M. Bocourt, has found a certain number of this species in Guatemala. It is in the collections of the Jardin des Plantes of Paris, of the British Museum, M M . Mnizech, Salle, Bates, &c. PLUSIOTIS L^ETA, Sturm, Cat. 1843, p. 341. Plusiotis amalia, Burm. Handb. iv. p. 422. P. lseta : viridi^prasina, pedibus subauratis, tarsis ceneis nitidiori-bus ; elytris costatis, interstitiis latioribus, punctatis. Length 1 inch. This species is very closely allied to P. adelaida, from which (according to the description of Sturm) the only difference to be observed is in the colour of the tarsi, which are of a shining brassy green instead of metallic coppery. It is said to be from Valparaiso ; but I believe this to be very doubtful, and, unhappily, I have not been able to see the species. PLUSIOTIS GLORIOSA, Lee. Proc. Ac. Phil. 1854, p. 221. P. o-loriosa: supra leete psitlacina; clypeo punctulato, margine sub-tili elevato aureo; thorace aureo punctulato, margine laterali vit-tisque quatuor impressis splendide aureis, nitidissimis, interstitiis 2° et 3°foveis inauratis confluentibus vittam parvam simulanti- |