Having lately translated Prof: Kalm’s travels through North America, Bossu’s travels through Louisiana, and published a Catalogue of North-American Animals, with another of American plants, and a Centuria of new Insects, not described by Dr. Linnaeus, many of which are Americans; and flattering myself that these publications contain materials not altogether unworthy of the Attention of the learned and curious in America: I take the liberty by Your means, to present the Society for promoting useful knowledge established at Philadelphia in Pensilvania with a Set of the abovementioned works; hoping the Society will be pleased to consider them as a small token of the esteem and due regard with which I am Sir Your most obedient humble Servant