NOTES ON AQUATIC MICROSCOPIC SUBJECTS of NATURAL HISTORY, selected from the "Microscopic Cabinet." By ANDREW PRITCHARD, M.R.I. Also in 8vo.; pp. 720; Plates 24; price 21s., or coloured, 36s. A HISTORY of INFUSORIAL ANIMALCULES. Living and Fossil, containing Descriptions of every Species, British and foreign; the methods of procuring and viewing them, &c., illustrated by numerous Engravings. By ANDREW PRITCHARD, M.R.I. "There is no work extant in which so much valuable information concerning Infusoria (Animalcules) can be found, and every Microscopist should add it to his library."--_Silliman's Journal._ Also, price 8s. 6d., MICROGRAPHIA, or Practical Essays on Reflecting and Solar Microscopes; Eye-Pieces; Micrometers, &c. Also, edited by the same, price 18s., ENGLISH PATENTS; being a Register of all those granted in the Arts, Manufactures, Chemistry, &c., during the first forty-five years of this century. WHITTAKER & Co., Ave Maria Lane. * * * * * THE MOST COMFORTABLE CHRISTMAS PRESENT is HEAL & SON'S EIDER DOWN QUILT. It is the warmest, the Highest and the most elegant Covering, suitable for the Bed, the Couch, or the Carriage; and for Invalids, its comfort cannot be too highly appreciated. It is made in Three Varieties, of which a large Assortment can be seen at their Establishment. List of Prices of the above, together with the Catalogue of Bedsteads, sent Free by Post. HEAL & SON, Bedstead and Bedding Manufacturers, 196. Tottenham Court Road. * * * * * {635} WESTERN LIFE ASSURANCE AND ANNUITY SOCIETY. 3. PARLIAMENT STREET, LONDON. Founded A.D. 1842. _Directors._ H. E. Bicknell, Esq. | T. Grissell, Esq. T. S. Cocks, Jun. Esq., M.P. | J. Hunt, Esq. G. H. Drew, Esq. | J. A. Lethbridge, Esq. W. Evans, Esq. | E. Lucas, Esq. W. Freeman, Esq. | J. Lys Seager, Esq. F. Fuller, Esq. | J. B. White, Esq. J. H. Goodhart, 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. POLICIES 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 £ s. d. | Age £ s. d. 17 1 14 4 | 32 2 10 8 22 1 18 8 | 37 2 18 6 27 2 4 5 | 42 3 8 2 ARTHUR SCRATCHLEY, M.A., F.R.A.S., Actuary.