CONTENTS:--Ely Cathedral; The Rood-Screen and the Iconostasis (No. I.); Mr. Beckman on Swedish Churches and Church Offices; "Godwin's History in Ruins;" The Department of Practical Art and the Architectural Museum; The Ecclesiological Motett Society; Messrs. Bowman and Crowther; "Churches of the Middle Ages;" English Service Books at Cambridge; The Munich Glass in Kilndown Church; Architectural Institute of Scotland; Transactions of the Exeter Diocesan Architectural Society; New Churches and Restorations; Mr. Helmore's Lecture at Brighton; Wells Cathedral; Reports, &c. London: J. MASTERS, Aldersgate Street, and New Bond Street. * * * * * MONASTICON DIOCOESIS EXONIENSIS. THE REV. DR. G. OLIVER'S MONASTICON DIOCOESIS EXONIENSIS: being a Collection of Records and Instruments illustrating the Ancient Conventual, Collegiate, and Eleemosynary Foundations in Devon and Cornwall. Folio, cloth boards (published at 4l.), now reduced to 1l. 16s. 1846. The same, half bound in morocco, tops gilt, 2l. 6s. 1846. Just published, gratis, and post free, A. HOLDEN'S EXETER BOOK CIRCULAR. Parts II. and III. A Catalogue of Second-hand Books, of all classes, in good condition. Exeter: A. HOLDEN. London: NATTALI & BOND. {170} * * * * * ROSS'S PHOTOGRAPHIC PORTRAIT AND LANDSCAPE LENSES.--These lenses give correct definition at the centre and margin of the picture, and have their visual and chemical acting foci coincident. _Great Exhibition Jurors' Reports_, p. 274. "Mr. Ross prepares lenses for Portraiture having the greatest intensity yet produced, by procuring the coincidence of the chemical actinic and visual rays. The spherical aberration is also very carefully corrected, both in the central and oblique pencils." "Mr. Ross has exhibited the best Camera in the Exhibition. It if furnished with a double achromatic object-lens, about three inches aperture. There is no stop, the field is flat, and the image very perfect up to the edge." Catalogues sent upon Application. A. ROSS, 2. Featherstone Buildings, High Holborn. * * * * * Just published, price 1s., free by Post 1s. 4d., The WAXED-PAPER PHOTOGRAPHIC PROCESS of GUSTAVE LE GRAY. New Edition. Translated from the last Edition of the French. GEORGE KNIGHT & SONS., Foster Lane, London. Manufacturers of Photographic Apparatus and Materials, consisting of Cameras, Stands, Coating Boxes, Pressure Frames, Glass and Porcelain Dishes, &c., and pure Photographic Chemicals, suited for practising the Daguerreotype, Talbotype, Waxed-Paper, Albumen and Collodion Processes, adapted to stand any Climate, and fitted for the Requirements of the Tourist or Professional Artist. Sole Agents in the United Kingdom for VOIGHTLANDER & SON'S celebrated Lenses for Portraits and Views. General Depôt for Turner's, Whatman's, Canson Frères', La Croix, and other Talbotype Papers.