ONE of the principal features of the GENTLEMAN'S MAGAZINE is its OBITUARY, on the collection and preparation of which great care is bestowed. The Magazine for August contains several biographies of great interest, viz.--The Earl of Derby, K.G., President of the Zoological Society; Viscount Melville, formerly First Lord of the Admiralty; Right Hon. Wm. Lascelles, Comptroller of H.M. Household; Admiral Sir Edward Codrington, G.C.B.; Sir J. Graham Dalyell, Bart., the Scottish antiquary and naturalist; Lord Dundrennan, the Scottish judge; Dr. Adams, the eminent civilian; Colonel Michell, late Surveyor at the Cape; Mr. Dyce Sombre; Mr. Thorneycroft, of Wolverhampton; Mr. St. George Tucker, the East India Director; Sir George S. Gibbes, M.D., late of Bath; Dr. Kennedy, the medical bibliographer; Dr. Mackness of Hastings; Mrs. Sheridan, author of "Carwell"; Mrs. Atthill (Miss Halstead), author of the "Life of Richard III.;" Richard Phillips, F.R.S., the chemist; D.M. Moir, Esq., the Delta of Blackwood; Mr. Thomas Moule, the antiquary; the Rev. Jelinger Symons; Rev. N.J. Halpin; Tieck and Henning the Sculptors, &c. &c. A Biographical List of Clergymen Deceased; and Deaths of the Nobility, Gentry, and other remarkable Persons. Price 2_s._ 6_d._ NICHOLS AND SON, Parliament Street. Just published, No. 11., Imperial 4to. price 2_s._ 6_d._, Details of Gothic Architecture, Measured and drawn from existing examples, by J. K. Collins, Architect. CONTENTS: E.E. Doorway from Wiggenhall, St. Mary's, Norfolk. " Plans of Piers, &c. from West Walton Church, Norfolk. DEC. Screen from Cliffe at Hoo, Kent. PER. Seating from Wiggenhall, St. Mary's, Norfolk. " Ditto ditto. London: DAVID BOGUE, Fleet St.; and GEORGE BELL, 186. Fleet St. SOCIETY OF ARTS, ADELPHI, LONDON.--PHILOSOPHICAL TREATISES on the various Departments of the GREAT EXHIBITON, which shall set forth the peculiar Advantages to be derived from each by the Arts, Manufactures, and Commerce of the Country. The Council offer, in the name of the Society, the large MEDAL and 25_l._ for the best, and the Society's small Medal and 10_l._ for the second best. Treatise on the Objects exhibited in the Section of Raw Materials and Produce. A large Medal and 25_l._ for the best, and a small Medal and 10_l._ for the second best, Treatise on the Objects exhibited in the Section of Machinery. A large Medal and 25_l._ for the best, and a small Medal and 10_l._ for the second best, Treatise on the Objects exhibited in the Section of Fine Arts. Each Treatise must occupy, as nearly as possible, eighty pages of the size of the Bridgwater Treatises.