PHOTOGRAPHIC PORTRAITS and VIEWS by the Collodion and Waxed-Paper Process. Apparatus, Materials, and Pure Chemical Preparations for the above processes, Superior Iodized Collodion, known by the name of Collodio-iodide or Xylo-iodide of Silver, 9d_._ per oz. Pyro-gallic Acid, 4s. per drachm. Acetic Acid, suited for Collodion Pictures, 8d. per oz. Crystallizable and perfectly pure, on which the success of the Calotypist so much depends, 1s. per oz. Canson Frères' Negative Paper, 3s.; Positive do., 4s. 6d.; La Croix, 3s.; Turner, 3s. Whatman's Negative and Positive, 3s. per quire. Iodized Waxed Paper, 10s. 6d. per quire. Sensitive Paper ready for the Camera, and warranted to keep from fourteen to twenty days, with directions for use, 11 × 9, 9s. per doz.; Iodized, only 6s. per doz. GEORGE KNIGHT & SONS (sole Agents for Voightlander & Sons' celebrated Lenses), Foster Lane, London. * * * * * TO PHOTOGRAPHERS.--Pure Chemicals, with every requisite for the practice of Photography, according to the instructions of Hunt, Le Gray, Brébisson, &c. &c., may be obtained of WILLIAM BOLTON, Manufacturer of pure chemicals for Photographic and other purposes. Lists of Prices to be had on application. 146. Holborn Bars. {148} * * * * * BOOKS PUBLISHED BY THE UNIVERSITY PRESS, OXFORD. THE HOLY BIBLE, containing the Old and New Testaments, with the Apocryphal Books, in the earliest English Versions made from the Latin Vulgate by John Wycliffe and his Followers. Edited by the REV. JOSIAH FORSHALL, F.R.S., &c., and SIR FREDERIC MADDEN, K.H.F.R.S., &c. 4 vols. 4to. 5l. 15s. 6d. in boards. EDITIONS OF THE BIBLE AND PARTS THEREOF, in English, from the Year MDV. to MDCCCL. With an Appendix containing Specimens of Translations and Bibliographical Descriptions. Second Edition, Corrected and Enlarged. By the REV. HENRY COTTON, D.C.L., Archdeacon of Cashel, &c. 8vo. Price 8s. 6d. in boards. THE ORMULUM, now First Edited from the Original Manuscript in the Bodleian, with Notes and a Glossary by ROBERT MEADOWS WHITE, D.D., late Fellow of St. Mary Magdalene College, and formerly Professor of Anglo-Saxon in the University of Oxford. 2 vols. 8vo. Price 1l. 16s. in boards. CATALOGUS CODICUM MSS. qui in Collegiis Aulisque Oxoniensibus hodie adservantur. Confecit HENRICUS O. COXE, M.A., Bibliothecæ Bodleianæ Hypo-Bibliothecarius. 2 vols. 4to. 2l. 5s. in boards. FASTI TEMPORIS CATHOLICI and Origines Kalendariæ. By EDWARD GRESWELL, B.D., Fellow of Corpus Christi College, Oxford. 5 vols. 8vo., and a quarto volume of Tables. Price 3l. 5s. in boards. FASTI HELLENICI. The Civil and Literary Chronology of Greece and Rome, from the CXXIVth Olympiad to the Death of Augustus. By HENRY FYNES CLINTON, ESQ., M.A., late Student of Christ Church. Second Edition, with additions. 4to. Price 1l. 12s. in boards.