The Binder is defired to observe that the Vol. confifts of Three Sets of Pages, to be arranged in the following order, immediately after the Table of Contents, viz. Part I. containing The History of the Society : Part II.containing, I Papers of the Physical Class; II. Papers of the Literary Class : And to place the two Plates, entitled Theory of the Earth, to front page 304. of Papers of the Phyfical Clafs, and the other Plates (which fold out) according to the references marked upon them.