IMPORTANT CAUTION.--Many invalids having been seriously injured by spurious imitations under closely similar names, such as Ervalenta, Arabaca, and others, the public will do well to see that each canister bears the name BARRY, DU BARRY & CO., 77. Regent Street, London, in full, _without which none is genuine_. * * * * * WESTERN LIFE ASSURANCE AND ANNUITY SOCIETY. 3. PARLIAMENT STREET, LONDON. Founded A.D. 1842. _Directors._ H. E. Bicknell, Esq. T. S. Cocks, Jun. Esq., M. P. G. H. Drew, Esq. W. Evans, Esq. W. Freeman, Esq. F. Fuller, Esq. J. H. Goodhart, Esq. T. Grissell, Esq. J. Hunt, Esq. J. A. Lethbridge, Esq. E. Lucas, Esq. J. Lys Seager, Esq. J. B. White, Esq. J. Carter Wood, Esq. _Trustees._ W. Whateley, Esq., Q.C.; George Drew, Esq., T. Grissell, Esq. _Physician._--William Rich. Basham, M.D. _Bankers._--Messrs. Cocks, Biddulph, and Co., Charing Cross. VALUABLE PRIVILEGE. POLICES effected in this Office do not become void through temporary difficulty in paying a Premium, as permission is given upon application to suspend the payment at interest, according to the conditions detailed in the Prospectus. Specimens of Rates of Premium for Assuring 100l., with a Share in three-fourths of the Profits:-- Age _L s. d._ 17 1 14 4 22 1 18 8 27 2 4 5 32 2 10 8 37 2 18 6 42 3 8 2 ARTHUR SCRATCHLEY, M.A., F.R.A.S., Actuary. Now ready, price 10s. 6d., Second Edition, with material additions. INDUSTRIAL INVESTMENT and EMIGRATION: being a TREATISE ON BENEFIT BUILDING SOCIETIES, and on the General Principles of Land Investment, exemplified in the Cases of Freehold Land Societies, Building Companies, &c. With a Mathematical Appendix on Compound Interest and Life Assurance. By ARTHUR SCRATCHLEY, M.A., Actuary to the Western Life Assurance Society, 3. Parliament Street, London. * * * * * PHOTOGRAPHIC CAMERAS. OTTEWILL'S REGISTERED DOUBLE-BODIED FOLDING CAMERA, is superior to every other form of Camera, for the Photographic Tourist, from its capability of Elongation or Contraction to any Focal Adjustment, its extreme Portability, and its adaptation for taking either Views or Portraits. Every Description of Camera, or Slides, Tripod Stands, Printing Frames, &c., may be obtained at his MANUFACTORY, Charlotte Terrace, Barnsbury Road, Islington. New Inventions, Models, &c., made to order or from Drawings. * * * * * IMPROVEMENT IN COLLODION.--J. B. HOCKIN & CO., Chemists, 289. Strand, have, by an improved mode of Iodizing, succeeded in producing a Collodion equal, they may say superior, in sensitiveness and density of Negative, to any other hitherto published; without diminishing the keeping properties and appreciation of half tint for which their manufacture has been esteemed.