taken to distinguish that which is profitable, from that which is useless; and according to the verdict of that Societie, the usefulness of Books for the publick is to bee determined; yet becaus there is seldom anie Books wherein there is not somthing useful, and Books freely given are not to bee cast away, but may bee kept, therefore I would have a peculiar place appointed for such Books as shall bee laid aside to keep them in, and a Catalogue of their Titles made Alphabetically in reference to the Autor's name, with a note of distinction to shew the Science to which they are to bee referred. These thoughts com thus suddenly into my head, which in due time may bee more fully described, if need bee, chiefly if, upon the ground of this account, som competencie should bee found out and allowed to maintein such charges as will bee requisite, towards the advancement of the Publick good of Learning after this manner. The second Letter. _Sir!_ In my last I gave you som incident thoughts, concerning the improvement of an Honorarie Librarie-keeper's place, to shew the true end and use thereof, and how the keepers thereof should bee regulated in the Trade, which hee is to drive for the Advancement of Learning, and encouraged by a competent maintenance, and supported in extraordinarie expences for the same. Now I wish that som men of publick Spirits and lovers of Learning, might bee made acquainted with the Action, upon such grounds as were then briefly suggested; who know's but that in time somthing might bee offered to the Trustees of the Nation, with better conceptions then these I have suggested.