"The form in which Gauss's Tables are arranged will be a matter of opinion. I can only say that Mr. Filipowski's Table is used with ease, as I have found upon trial; and that its extent, as compared with other tables, and particularly with other FIVE-FIGURE tables, of the same kind, will recommend it. I desire to confine myself to testifying to the facility with which this table can be used; comparison with other forms, as to RELATIVE facility, being out of the question on so short a trial. "On the table of Annuities for three lives, there is hardly occasion to say anything. All who are conversant with Life Contingencies are well aware how much it is wanted. "A. DE MORGAN." GEORGE BELL, No. 186. Fleet-street. * * * * * {96} NOTICE. THE NEW EDITION OF BURKE'S PEERAGE AND BARONETAGE FOR 1851 IS PUBLISHED THIS DAY. Revised and corrected throughout to the Present Time from the Personal Communications of the Nobility, &c. In 1 Vol. Royal 8vo., comprising as much matter as twenty ordinary volumes, with 1500 engravings of arms, &c. 38s. bound. "The most complete, the most convenient, and the cheapest work of the kind ever given to the public."--_Sun_. Also just published, in 2 vols. 8vo., 28s. bound, MR. DISRAELI'S LIFE AND REIGN OF CHARLES I. New Edition, revised by the Author, and edited by his Son, B. DISRAELI, M.P. "By far the most important work on the important age of Charles I. that modern times have produced."--_Quarterly Review_. HENRY COLBURN, Publisher, 13. Great Marlborough Street. * * * * * The important and valuable Library of the late Thomas Amyot, Esq,. F.R.S., F.S.A.