ཎ་ DR. ROOKE'S ORIENTAL PILLS & SOLAR ELIXIR. THESE WELL-KNOWN FAMILY MEDICINES have had a continually increasing sale throughout the United Kingdom and the British Colonies since their introduction in 1836, and are especially noted for their STRENGTHENING and RESTORATIVE Properties; hence their invariable success in the RELIEF and CURE of INDIGESTION, LIVER COMPLAINTS, ASTHMA, BRONCHITIS, PULMONARY CONSUMPTION, GOUT, SCROFULA, AND ALL DISEASES OF THE NERVOUS SYSTEM, Whether arising from a sedentary mode of life, unhealthy occupation, insalubrious climate, or any other cause. The ORIENTAL PILLS AND SOLAR ELIXIR Are prepared only by CHARLES ROOKE, M.D., SCARBOROUGH. The PILLS are sold in boxes, at is. 1d. and 4s. 6d. each; the ELIXIR in Bottles at 4s. 6d. and 11s. each, duty included. Around each Box and Bottle are wrapped Directions for the Guidance of Patients in all Diseases. DR. ROOKE'S HANDY POCKET-GUIDE TO HEALTH AND HEALTH-RESTORING PLACES. FULL OF PLEASING ILLUSTRATIONS AND USEFUL INFORMATION, 88 PAGES. This Book may be obtained from any PATENT MEDICINE VENDOR, or POST FREE from DR. ROOKE, Scarborough, England, on receipt of PENNY POSTAGE STAMP. CROSBY'S BALSAMIC COUGH ELIXIR Is the leading Medicine of the day, and is specially recommended by several eminent Physicians. It has been used with the most signal success for Asthma, Bronchitis, Consumption, Coughs, Influenza, Consumptive Night Sweats, Spitting of Blood, Shortness of Breath, &c., and is a most valuable adjunct to Dr. ROOKE'S Medicines in all affections of the Throat and Chest. CROSBY'S BALSAMIC COUGH ELIXIR is sold everywhere, by all Chemists and Patent Medicine Vendors at the following prices :-1s. 1}d., 1s. 9d., 4s. 6d., and 11s. each Bottle. A great saving is effected by purchasing the large Bottles Full Directions with each Bottle. LONDON: PRINTED BY WILLIAM CLOWES AND SONS, LIMITED, STAMFORD STREET AND CHARING CROSS PROCTER'S INDIAN HAND-PRINTED CURTAINS. Excellent Artistic Effect and Inexpensive. Fifteen Shillings per Pair. CARVED FURNITURE AND INDIAN JEWELRY. 428, OXFORD STREET (Near Orchard Street). MICROSCOPIC PREPARATIONS. FIRST-CLASS SPECIMENS, New and Rare Objects in every Department of Microscopy. LORD S. G. OSBORNE'S DIATOMESCOPE, Post-free, 12s. Five Typical Examples of Blood Discs on one Slide, Man, Fish, Bird, Snake, and Frog, Double Stained, 3s. 6d. post-free. Pollinium of Orchis. For Paraboloid, 1s. 2d. post-free. Spores of Equisetum, showing Elaters ERNEST HINTON, coiled and uncoiled. 1s. 6d. post-free. 12, VORLEY ROAD, UPPER HOLLOWAY, LONDON, N. CABINETS FOR MINERALS, FOSSILS, &c. Naturalists' Glass-Capped Boxes, Round and Rectangular, from One Shilling per Dozen. THOMAS D. RUSSELL, 78. NEWGATE STREET, E.C. SECOND-HAND MICROSCOPES AND OBJECTIVES. A large assortment by ROSS, BECK, COLLINS, SWIFT, and other first-class Makers, on Sale, very cheap. MICROSCOPÍC OBJECTS in great variety. Spécialité Physiological and Pathological Tissues. 500 SECOND-HAND PHOTOGRAPHIC LENSES AND CAMERAS By ROSS, DALLMEYER, TENCH, VOIGTLÄNDER, and all other esteemed Makers. The Cheapest and Best Stock in London. New Catalogues gratis on application. Purchases and Exchanges made. Instruments Repaired and Relacquered. SANDS & HUNTER, 20, CRANBOURNE STREET, LONDON. PUPA OF THISTLE-BUG, NEW PREPARATIONS (MONANTHIA CARDUI.) This is a most interesting preparation of the pupa, when about to change to the perfect insect, the form and markings of which can be distinctly seen. For Paraboloid. 15. 7d., Post-free. OF INSECTS, WITHOUT PRESSURE. FRED. ENOCK, 21, PROSPERO ROAD, UPPER HOLLOWAY, LONDON, N. HEADS OF GNATS. CULEX PIPIENS, CORETHRA PLUMICORNIS, CHIRONOMUS VARIEGANUS. For Paraboloid. Is. 2d., Post-free. HOW AND CO.'S NEW POCKET MICROSCOPE LAMP.” Very convenient and portable, gives ample Illumination, has all necessary adjustments, is provided with a Cylindrical Case, and can be conveniently carried in the breast coat pocket; when charged with sufficient Oil to burn for above 3 hours, weighs under 12 oz. Price 8s. 6d. Microscopists who are in the habit of exhibiting at the Meetings of their respective Societies and elsewhere, should provide themselves with this little Lamp. MICRO-PETROLOGY, TYPICAL ROCK SECTIONS, 1/6 AND 2/- EACH. JAMES HOW & Co., 73, FARRINGDON STREET, LONDON. STUDIES IN MICROSCOPICAL SCIENCE. obtained. Edited by ARTHUR C. COLE, F.R.M.S., &c. VOL. III. Numbers 1 to 7 in each Section now ready. All correspondence connected with this Volume to be * All correspondence having reference to Vols. I. and II. to be addressed to the EditorST. DOMINGO HOUSE, Ladbroke Grove Road, Notting Hill, W. From whom all Particulars may be obtained. ** A. C. COLE AND SON'S Pathological, Physiological, Botanical, and general Preparations and Diatoms, may be obtained of all the principal Opticians. MICROSCOPY.-MICRO-NATURAL HISTORY (ZOOLOGICAL AND BOTANICAL) AND THE ALLIED SCIENCES. Just Published, and will be sent Post Free for Two Stamps, W. P. COLLINS's New Catalogue of Books (mostly Secondhand). Scientific Libraries Purchased and Books taken in Exchange. W. P. COLLINS, Science Bookseller, 157, Great Portland Street, London, W, HARDWICKE'S SCIENCE-GOSSIP. xcix WATKINS AND DONCASTER, Naturalists and Manufacturers of Entomological Apparatus and Cabinets. N.B.-For Excellence and Superiority of Cabinets and Apparatus, references are permitted to distinguished Patrons and Colleges, &c. Plain Ring Nets, Wire or Cane, including stick, 1/8, 2/-, 2/3. Folding Nets, 3/9 and 4/6. Umbrella Nets, 7/6 (self-acting).. Pocket Boxes, -/6; corked both sides, -/9, 1/-, and 1/6. Ditto, large size, with strap, 6/-. Nested Chip Boxes, 4 dozen, -/8. [black). [oz. nor dangerous to use), 1/- per Entomological Pins, assorted or mixed, 1/- per oz. (white or Breeding Cage, 2/6, 4/-, 5/-, and 7/6. Taxidermist's Companion, ie, a pocket leather case, containing Ditto, Japanned Pocket Case, fitted with 26 tubes, 5/ for post.) (Supplied to Insect Cases, imitation mahogany, 3/6 to 11/-. Metal Blow-pipes, -/7. Setting Needles, 6d. per box. All Articles enumerated are kept in stock, and can be sent immediately on receipt of order. For Sale, a large Assortment of Ova and Pupæ of both British and Foreign Butterflies and Moths. The following are the prices of a few of smaller sizes; for measurements and larger sizes see Catalogue (48 pp.) A LARGE STOCK OF INSECTS AND BIRDS' EGGS. Birds, Mammals, &c., Preserved and Mounted by First-class workmen. 36, STRAND, W.C. (FIVE DOORS FROM CHARING CROSS). 6/6 COLLINS' POND COLLECTING STICK 6/6 Consists of a neatly made Bamboo Stick, with joint to pull out to 5ft., and a Dipping Bottle and Net to attach MICROSCOPES AND APPARATUS. 36-PAGE CATALOGUE MAILED FREE. 5/10/0 COLLINS' HISTOLOGICAL MICROSCOPE, With 1-inch and t-inch Objectives of splendid definition, in Mahogany Case. Barley Binocular Microscopes, Dissecting Microscopes, Cabinets, Objects, Lamps, Object Glasses, Thin Glass, Ground Slips, Pocket Magnifiers, Mounting Media, &c. CHAS. COLLINS, MICROSCOPE MAKER, 157, Great Portland Street, London, W. MICRO-SLIDES FOR SCIENCE CLASSES. GUARANTEED PURE SOLUBLE COCOA OF THE FINEST QUALITY. Invalids, and Young Children.' The FACULTY pronounce it 'the most nutritious, perfectly digestible Beverage for BREAKFAST, LUNCHEON, or SUPPER, and invaluable for Made instantaneously with boiling water, a Teaspoonful to a Breakfast Cup, costing less than one halfpenny. early Breakfasts. Air-Tight Tins, at 1s. 6d., 38., 58. 6d., &c., by Chemists and Grocers. THE LIFE GRESHAM ASSURANCE SOCIETY. ESTABLISHED 1848. Head Office-ST. MILDRED'S HOUSE, POULTRY, LONDON, E.C. Moderate Rates of Premium. Liberal Scale of Annuities. Loans granted upon Security of Freehold, Copyhold, and Leasehold Property, Life Interests, and Reversions; also to Corporate and other Public Bodies, upon Security of Rates, &c. JOSEPH ALLEN, Secretary. Prospectus, Reports, and Proposal Forms can be obtained on application to the Society's Agents and Branch Offices, or to NORTH BRITISH AND MERCANTILE INSURANCE COMPANY. INCORPORATED BY ROYAL CHARTER AND SPECIAL ACTS OF PARLIAMENT. Authorised Capital, £3,000,000. Subscribed Capital, £2,500,000. Paid-up Capital, £625,000. Chairman-JOHN WHITE CATER, ESQ. Deputy-Chairman-BARON SCHRODER. Manager of Fire Department-G. H. BURNETT. Manager of Life Department and Actuary-HENRY COCKBURN. Secretary-F. W. LANCE. Foreign Sub-Manager-PHILIP WINSOR. FIRE DEPARTMENT. The Net FIRE FUNDS, irrespective of the Paid-up Capital, now amount to £1,597,295 9s. 6d. LIFE DEPARTMENT. The LIFE FUND now amounts to £3,458,595 18s. 9d. The ANNUITY FUND now amounts to £536,066 8s. 6d. THE PRINCIPLES on which this Company is conducted combine the system of Mutual Assurance with the safety of a large Protecting Capital and Accumulated Funds, and thus afford all the facilities and advantages which can prudently be offered by any Life Assurance Office. NINETY PER CENT. of the WHOLE PROFITS is divided among the Assurers on the Participating Scale. The PROFITS are divided every Five Years. POLICIES are INDISPUTABLE after Five Years. ANNUITIES of all kinds are granted. Prospectuses and every Information can be obtained at the Chief Offices LONDON: 61 THREADNEEDLE ST., E.C. WEST END OFFICE, 8, WATERLOO PLACE, S.W. EDINBURGH, 64, PRINCES ST. BRITISH EMPIRE MUTUAL LIFE ASSURANCE COMPANY, NEW BRIDGE STREET, LONDON, E. C. Incorporated in the year 1847 under Act 7 and 8 Vict., cap. 110, and further empowered by Special Act 15 Vict., cap. 53. Accumulated Fund Surplus Funds already appropriated £997,000 Annual Income, nearly Claims Paid. £1,028,215 Policies in Force . £4,793,942 POLICIES ABSOLUTELY INDISPUTABLE after five years, provided the age of the Assured has been admitted. £1,230,133 EDWIN BOWLEY, Secretary. LECTURES ON PHYSICAL GEOGRAPHY, GEOLOGY, BOTANY, AND ZOOLOGY. The Editor of SCIENCE-GOSSIP is prepared to deliver EXTEMPORANEOUS LECTURES (well Illustrated with Diagrams) to Natural History, Literary, and Scientific Societies, &c. For Terms, &c., apply to Editor of Science-Gossip, care of Messrs. CHATTO & WINDUS, 214, Piccadilly, London, W. OBJECTS FOR THE MICROSCOPE. 40,000 First-class Specimens for selection, illustrative of every Branch of Study, from Is. each. NEW CLASSIFIED LIST OF OBJECTS. ILLUSTRATED CATALOGUE OF MICROSCOPES AND APPARATUS. Either of the above sent Post Free on application to W. WATSON & SONS, Opticians to Her Majesty's Government, 313, HIGH HOLBORN, LONDON, W.C. |