PUTTICK AND SIMPSON, Auctioneers of Literary Property, will SELL by AUCTION, at their Great Room, 191. Piccadilly, on TUESDAY, April 29, and following Day, a very important Collection of AUTOGRAPH LETTERS, the Property of a Gentleman. The Collection includes an unusually complete series of English Royal Autographs, many being important Letters, from the time of Henry VII.; also Letters of Contemporary Foreign Sovereigns, with numerous rare and interesting Letters in other Classes. The whole in the finest preservation. Catalogues will be sent on application. * * * * * This day is published, BOHN'S CLASSICAL CATALOGUE, comprising all the principal editions of the Greek and Latin Classics. Translations and Commentaries, with prices annexed; royal 8vo. half morocco, price 2s. 6d.--Allowed to Purchasers. HENRY G. BOHN, York Street, Covent Garden. * * * * * LONDON PICTORIALLY and HISTORICALLY DESCRIBED. Edited by CHARLES KNIGHT. 6 vols. in 3, royal 8vo. with upwards of one thousand engravings on wood, cloth gilt, 1l. 16s. HENRY G. BOHN, York Street, Covent Garden. * * * * * Bohn's Scientific Library for May. HUMBOLDT'S COSMOS; or Sketch of a Physical Description of the Universe. Translated by E. C. OTTE. Vol. 3, with an Index. Price 3s. 6d. HENRY G. BOHN, York Street, Covent Garden. * * * * * Bohn's Classical Library for May. PLATO'S WORKS, translated by GEO. BURGESS, M.A. Vol. 4, containing Philebus, Charmides, Laches, The Two Alcibiades, and Ten other Dialogues. Price 5s. HENRY G. BOHN, York Street, Covent Garden. * * * * * Bohn's Standard Library for May. NEANDER'S FIRST PLANTING OF CHRISTIANITY. Translated by RYLAND. Post 8vo. Price 3s. 6d. HENRY G. BOHN, York Street, Covent Garden. * * * * * THE CAMDEN SOCIETY for the Publication of Early Historical and Literary Remains. THE ANNUAL GENERAL MEETING will be held at the Freemason's Tavern, Great Queen Street, on Friday the 2nd of May, at Four o'Clock precisely; the LORD BRAYBROOKE, the President, in the Chair. WILLIAM J. THOMS, Secretary. The following are the Publications of the Society for the year 1850-1. I. A SELECTION FROM THE WILLS Preserved in the Will Office at Bury St. Edmund's. Edited by SAMUEL TYMMS, Esq. II. WALTER MAPES "DE NUGIS CURIALIUM." A Treatise on the Political Affairs of his Time, written in 1181. Edited by THOMAS WRIGHT, Esq., M.A. III. SIR RICHARD GUYLFORDE'S PILGRIMAGE TO THE HOLY LAND, A. D. 1506. Edited from a copy believed to be unique from the Press of Richard Pynson, by SIR HENRY ELLIS, K.H., Sec. S. A. The Subscription to the Society is 1l. per annum, which becomes due on the 1st of May.