346 PROCEEDINGS OF THE ACADEMY OP December 18th. Mr. Yaux, "Vice-President, in the Chair. Fifty members present. The following were presented for publication : " On the consump-tion of force by plants." By Thomas Meehan. " A second study of the Icteridge." By John Cassin. December 25th. Mr. Vaux, Vice-President, in the Chair. Twenty members present. The meeting adjourned until the following evening, Wednesday, Dec. 26th. December 2Qth. Mr. Vaux, Vice-President, in the Chair. Forty-two members present. On favorable report of the respective committees, the following were ordered to be published : List of COLEOPTEEA collected in the Mountains of Lycoming County, Pa. BY JOHN L. LECONTE, M. D. During the first week of June, 18GG, I had the good fortune to make one of a party who visited Lycoming County, to indulge in the pleasure of trout-fishing. Our station was on the Loyalsoc Creek, about thirty miles from Williamsport. The collection contained so many species not previously known in Pennsyl-vania, that it has seemed to me, though small in extent, to merit particular con-sideration ; the more so, because it indicates the necessity of greatly-increased collections in the mountain regions, before we can begin to map out accurately the distribution of our species. The names correspond with those in my list of North American Coleoptera. Some of the more interesting new species, belonging to groups which I have already investigated, I have named. The descriptions will be found in the fol-lowing pages of this volume. Two of them I have dedicated to members of the party, who, although unknown to the literature of science, appreciate enthusiastically the beauties of nature ; and manifested, by their ardent pur-suit of the finny game, and their accurate knowledge of his habits, such natu-ral taste for scientific employments, as would, doubtless, had earlier oppor-tunity favored, have much diminished the labor yet to be performed by stu-dents of Zoology in this country. Nebria pallipes. Olisthopus parmatus. Cychrus (Sphaerod.) canadensis. Pterostichus sustcntus. Lecontei. rostratus. Schizogenius amphibius. honestus. Calathus (Pristodactyla) impunctata. mancus? Platynus angustatus. caudicalis. marginatus. mutus. extcnsicollis. Luczotii. molestus. coracinus. licvis II Lee. stygicus. [Dec.
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