LATEST ARRIVALS Ruby and other Varieties of Cassiterite on Quartz, Australia, Beautiful me and White Calamine, Adamite, Laurium, Crystallized Brucite, Melanoogite, Roscorlite with Gold. Apophyllite, Mexico, very Beautiful Doubly minated Vanadinite, Arizona, Phenacite on Quartz, Colorado. Large ystal of Pyroxene, Pink Grossular, Ruby on Matrix, Burma, Diatom. Cous Earth, Hakodati, Japan. F. H. BUTLER, M.A. Oxon., Assoc. R. S. Mines. NATURAL HISTORY AGENCY, 158 BROMPTON ROAD, LONDON. ealer in Rocks, Minerals, Fossils, and other Objects of Scientific Interest. NOW ON VIEW:-A large and varied assortment of Rock-specimens re- COLLECTIONS OF MINERALS, For the Use of Students, Science Teachers, Prospectors, &c., and to 50 Specimens, 10s. 6d.; 100 do., 218.; 200 do., 42s. CABINETS, GLASS-CAPPED BOXES, TRAYS, HAMMERS, &c, THOMAS D. RUSSELL 78 NEWGATE STREET, LONDON. F.C. For BAD LEGS, BAD BREASTS, OLD WOUNDS, SORES and LIVING SPECIMENS FOR THE Volvox globator, Epistylis flavicans. Spongilla fluviatilis, Lophopus crystallinus, Ova of Trout for showing the Circulation of B ood, and other objects: Amoeba, Vorticella, Hydra, and other types (Animal and Vegetable) for Students. Specimen Tube, with Drawing and Description, One Shilling, Post Free. T. E. BOLTON, HARVEY & PEAK, By Appointment to the Royal Institution of Great Britain. 56 CHARING CROSS ROAD, LONDON, W.C. IN ELECTRICITY AND MAGNETISM, SOUND, ALL APPARATUS TESTED FOR EFFICIENCY. Group of 12 different Species of Foraminifera on one Slide, very perfect Stem and Petiole of Virginia Creeper, showing defoliation Sieve Tubes in Vegetable Marrow CLASSIFIED LIST, representing a Stock of 40,000 First-class Objects sent post free on application. MICROSCOPES AND APPARATUS. WATSON & SONS' TRIPOD EDINBURGH STUDENT'S MICROSCOPE is suitable for investigations with the highest powers. The quality a W. WATSON & SONS, OPTICIANS TO HER MAJESTY'S GOVERNMENT, Awarded 28 Gold and other Medals at International AND 78 SWANSTON STREET, MELBOURNE, AUSTRALIA TO H.RH. THE PRINCE OF WALES, THE EMPRESS OF GERMANY, MEAT LOZENCES : FRY'S Pure Concentrated BRAND & CO.'S AI SAUCE A FINE TONIC AND An excellent relish for "fish, to and fowl." COCOA 60 Prize Medals Awarded to the Firm. BE CAREFUL TO ASK FOR FRY'S PURE CONCENTRATED COCOA. Printed by RICHARD CLAY AND SONS, LIMITED, at 7 and 8 Bread Street Hill, Queen Victoria Street, in the City of London, and Pubis MACMILLAN AND Co., at 29 Bedford Street, London, W.C., and 112 Fourth Avenue, New York.-THURSDAY, January 5, 1893 ALSO [All Rights are Reserved. NALDER BROS. & CO. 16 RED LION STREET, CLERKENWELL, LONDON, E.C. OUR NEW CATALOGUE OF ELECTRICAL TESTING AND Light and Electric Lanterns, Projecting Microscopes, SCIENTIFIC INSTRUMENTS ariscopes, and Micro-Polariscopes of the highest quality. ICAL PROJECTION. BY LEWIS WRIGHT. Second EWTON & CO., 3 FLEET STREET, LONDON. NOW READY.-1s., Post Free. IS NOW READY. NALDER BROS. & Co. FFIN'S ILLUSTRATED CATALOGUE OPERA, RACE, & FIELD GLASSES OF EVERY DESCRIPTION. Barometers, Microscopes, Telescopes, Illustrated Price Lists posted free to all parts of the World. NEGRETTI & ZAMBRA, OPTICIANS AND SCIENTIFIC INSTRUMENT MAKERS TO THE QUEEN, Branches-45 CORNHILL; 122 REGENT STREET. 55. 6d. ROYAL GEOGRAPHICAL SOCIETY. EDUCATIONAL LECTURES. SESSION 1892-1893. A Series of Ten Educational Lectures will be given under the auspices of the Royal Geographical Society by Mr. H. J. MACKINDER, M.A, Reader in Geography at the University of Oxford, in the Hall of the University of London, Burlington Gardens (by kind permission of the Senate) on successive Fridays, beginning on the third Friday of January (the 20th), at 8 p.m. To these Lectures Fellows of the Society will be admitted free. Fellows can obtain tickets for members of their families at a fee of 5s. each for the course. To bona fide Teachers. Students of the London University Extension Society, and Training College Students, the fee will be 5s. To the general public the fee will be 10s. In all cases the names of the holders will be written on the tickets, which are not transferable; and the holders may at any time be asked to write their names in a book in the entrance hall. Application for tickets to be made to the Secretary, 1, Savile Row, Burlington Gardens, W. The subject of Mr. MACKINDER'S lectures will be-"The Relations of Geography to History in Europe and Asia"-(1) The Theatre of History. (2) The Rads to the Indies. (3) The Belt of Desert and Steppe. (4) The Gates of India and China. (5) The Approaches to Europe. (6) The History of Russia as a Commentary on its Geography. (7) The Alps as a Factor in European History. (8) The Approaches to Italy. (9) The Divisions of Gaul. (10) Some Geographical Analyses of British History. The Course will be fully Illustrated. In connection with these lectures, special classes will be held for those who wish to pursue the subjects further. They will be under the superintendence of the Society's Librarian, HUGH ROBERT MILL, D.Sc. Details as to fees, &c., will be subsequently announced. ROYAL INSTITUTION OF GREAT BRITAIN, ALBEMARLE STREET, PICCADILLY, W. TUESDAY Next (JANUARY 17), at 3 o'clock.-Prof. VICTOR HORSLEY, M.B., F.R.S., First of a Course of Ten Lectures on "The Functions of the Cerebellum and the Elementary Principles of PsychoPhysiol gy." One Guinea the Course. THURSDAY (JANUARY 19) at 3 o'clock.-The Rev. Canon AINGER, M.A., LL.D., First of a Course of Three Lectures on "Tennyson." Half-aGuinea. SATURDAY (JANUARY 21), at 3 o'clock.-Prof. C. HUBERT H. PARRY, Mus. Doc., M.A., First of a Course of Four Lectures on "Expression and Design in Music" (with Musical Illustrations). Half-aGuinea. Subscription to all the Courses in the Season, Two Guineas. 46 The FRIDAY EVENING MEETINGS will begin on January 20, when Prof. DEWAR, M.A., LL.D., F.R.S., will give a Discourse on Liquid Atmospheric Air," at 9 o'clock. To these Meetings Members and their Friends only are admitted. PENYWERN HOUSE MILITARY AND ENGINEERING COLLEGE, 2 PENYWERN ROAD, EARL'S COURT, S.W. PRINCIPAL-G. W. DE TUNZELMANN, B.Sc,, M.I.E.E. Telegrams-" Tunzelmann, London." PUBLIC SERVICE AND UNIVERSITY DEPARTMENT.-For students preparing for the various branches of the Public Service or for Scholarships at, or entrance into, the Universities and Hospitals. ENGINEERING DEPARTMENT.-The Complete Courses qualify Students for entry into Cooper's Hill, the Central Institution, the Royal College of Science, and into Engineering Works. Special Courses in Electrical Engineering. The extensive Physical and Chemical Laboratories are fitted up in the most complete manner for both Elementary and Advanced Work. The College is supplied with very complete Geological Collections for practical instruction. Students are regularly sent to the College by Leading Engineers and Scientific Authorities, whose Names are given in the Prospectus. OLD Just Published, in One Volume, 4to, Price 36s. AND ASTRONOMY. By RICHARD A. PROCTOR and A. COWPER RANYARD. It differs from others Sole Agent in this country- 8, 9, & 10 Hatton Garden, LONDON, E.C. F. H. BUTLER, M.A. Oxon., Assoc. R. S. Mines. NATURAL HISTORY AGENCY, 158 BROMPTON ROAD, LONDON. Dealer in Rocks. Minerals, Fossils. and other Objects of Scientific Interest. Now ON VIEW-A large and varied assortment of Rock-specimens recently obtained from West Shropshire and North Wales, including n m rous Diabases, variegated Volcanic Ash, Agglomerate, and Breccia, Quartzite from the Stiper Stones, ported Schists, and Granitite; also, a Cllection of exceptionally fine p lished examples of Labradorite, Green Aventurine Quartz, Agate. Jasper, and other Ornamental Stones: Pyri e after Pyrrho tite from Cornwall: Chalk Polyzoa from Kent; and a Consignment of Ostrich Eggs. MINERALOGY. SAMUEL HENSON, 97 REGENT STREET, LONDON, W. LATEST ARRIVALS Ruby and other Varieties of Cassiterite on Quartz, Australia, Beautiful Blue and White Calamine, A famite, Laurium, Crystallized Brucite, Melanophlogite, Rosco-lite with Gold Aphyllite, Mexico very Beautiful Doubly Terminated Vanadinite, Arizona. Phenacite on Quartz, Colorado. Large Crystal of Py oxene. Pink Grossular, Ruby on Matrix, Burma, Diatomaceous Earth, Hakodati, Japan. |