MINERALOGY & PETROGRAPHY. The new Spring Price List of Minerals has just been published, and will be sent free on application. Having been able to purchase the extensive and well-known beautiful Collection of the late Professor Damour of Paris, containing a great number of the rare minerals of old and exhausted occurrences, we can offer an extraordinarily great choice of minerals, such as: Amalgam (fine crystals), Bobierrite, Bogniardite, Churchite, Crednerite, Dechenite, Fluellite, Frieslebenite, Hureaulite, Laurite, Miargyrite, Plagionite, Romeite, Trippkeite, beautiful crystals of Gold and Diamant, and many others. PRACTICAL PETROGRAPHY. A text book for the use of students, with a short description of the polarising microscope, and a detailed description of our Petrographical Collection of 33 Specimens and Slides of Rocks by Professor Dr. K. Busz of Münster. arranged according to H. Rosenbusch: "Elemente der Gesteinslehre,' 2nd ed., 1901. a Large collection of 336 specimens of Rocks, 380 Marks; the 336 slides, 420 Marks. A. Smaller collection of 250 specimens of Rocks, 270 Marks; the 250 slide 310 Marks. Smaller collection of 16; specimens of Rocks, 170 Marks; the 165 slides, 205 Marks. Collections of Minerals, Fossils, Meteorites, purchased for cash or exchanged. WATKINS & DONCASTER, Naturalists and Manufacturers of CABINETS AND APPARATUS FOR ENTOMOLOGY, BIRDS' EGGS AND SKINS, AND ALL SPECIAL SHOW-ROOM FOR CABINETS. N.B. For Excellence and Superiority of Cabinets and Apparatus, refer ences are permitted to distinguished patrons, Museums, Colleges, &c. A LARGE STOCK OF INSECTS, BIRDS' EGGS AND SKINS. SPECIALITY.-Objects for Nature Study, Drawing Classes, &c. Birds, Mammals, &c., Preserved and Mounted by First-class Workmen true to Nature. All Books and Publications on Natural History supplied. 36 STRAND, LONDON, W.C. (Five Doors from Charing Cross.) CATALOGUE (102 pp.) POST FREE. Collections and Single Specimens of MINERALS, NATURAL CRYSTALS, PRECIOUS STONES, ROCKS & FOSSILS. Cabinets, Geologists' Hammers, Card Trays, Glass Capped Boxes, Wood and Glass Models of Crystals and Precious Stones, Sections of Rocks, and other Apparatus. NEW CATALOGUES POST FREE. THOMAS D. RUSSELL, 78 Newgate Street, LONDON, E.C. NOTICE OF REMOVAL. JAMES R. GREGORY & Co., MINERALOGISTS, &c., of KELSO PLACE, KENSINGTON, beg to announce that they have removed to more convenient and commodious Premises at 139 FULHAM ROAD, SOUTH KENSINGTON, S.W. LIVING SPECIMENS FOR THE MICROSCOPE. Volvox, Spirogyra, Desmids, Diatoms, Amoeba, Arcella, Actinosphærium, Vorticella, Stentor, Hydra, Floscularia, Stephanoceros, Melicerta, and many other specimens of Pond Life. Price 15. per Tube, Post Free. Helix pomatia, Astacus, Amphioxus, Rana, Anodon, &c., for Dissection purposes. THOMAS BOLTON, 25 BALSALL HEATH ROAD, BIRMINGHAM. MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM. THE LABORATORY, PLYMOUTH. The following animals can always be supplied, either living or preserved by the best methods : Sycon; Clava, Obelia, Sertularia; Actinia, Tealia, Caryophyllia, Alcy. onium; Hormiphora (preserved); Leptoplana; Lineus, Amphiporus, Nereis, Aphrodite, Arenicola, Lanice, Terebella; Lepas, Balanus, Gammarus, Ligia Mysis, Nebalia, Carcinus; Patella, Buccinum, Eledone, Pectens Bugula, Crisia, Pedicellina, Holothuria, Asterias, Echinus, Ascidia, Salpa (preserved), Scyllium, Raia, &c., &c. For prices and more detailed lists apply to Biological Laboratory, Plymouth. THE DIRECTOR. £ s. d. £ s. d. £ s. d. I 10 6 。 8 0 15 6 One Sixteenth Page, or Eighth Col. 10 6 | Quarter Page, or Half a Column 0 9 I 15 O • The first line being in heavy type is charged for as Two Lines. Cheques and Money Orders payable to MACMILLAN & CO., Limited Printed by RICHARD CLAY AND SONS, LIMITED, at 7 & 8 Bread Street Hill, Queen Victoria Street, in the City of London, and published by MACMILLAN NEWTON & CO.'S REYNOLDS & BRANSON, Ltd., LONG-RANGE LABORATORY FURNISHERS and MANUFACTURING CHEMISTS. CHEMICAL AND PHYSICAL BENCH, illustrated above, as supplied Catalogue of Chemical and Physical Apparatus, 350 pp. and 1200 DESIGNS OF BENCHES AND FITTINGS TO SUIT ALL REQUIREMENTS. NEGRETTI & ZAMBRA'S SOUTH-WESTERN POLYTECHNIC, MANRESA ROAD, CHELSEA, S.W. The Day College Courses consist of 30 hours per week, and are in prepar ation for London University degrees of B.Sc. in Mechanical and Electrical Engineering, in Chemistry, Physics and Natural Science. Session Fee, £15. The Evening Classes consist of similar courses at much reduced rates. The Technical Day Courses are arranged to extend over 3 years and prepare for Engineering, Electrical, Chemical and Metallurgical professions. S. SKINNER, M.A. *W. H. ECCLES, D.Sc. *J. LISTER, A. R.C.S. *L. LOWNDS, B.Sc., Ph.D. *J. B. COLEMAN, A.R.C.S. *J. C. CROCKER, M.A. F. H. LowE, B.Sc. Mathematics and Physics Chemistry and Metallurgy MATHEMATICS PHYSICS CHEMISTRY... BIOLOGY Prof. G. H. BRYAN, SC.D., F.R.S. Assistant Lecturers and Demonstrators, D. FARRAR, Assistant Lecturers and Demonstrators, Miss A. E. Assistant Lecturer and Demonstrator, J. Zoology and Physiology-Prof. PHILIP J. WHITE, The Classes and Laboratory Courses of this College are arranged to suit the requirements of Students of Practical Science, as well as of Students preparing for University and other Examinations. The Lectures in Chemistry, Physics, Botany, and Zoology are recognised for the first year of medical study. The extensive Laboratories (Physical, Chemical, and Biological) are fully equipped for Study and Research. Inclusive Tuition Fee, £11 15. Laboratory Fees (per Term) on the scale of £1 15. for six hours a week, in each Department. A considerable number of Scholarships and Exhibitions are open for com. petition at the beginning of each Session, and several are awarded at the close of each Session on the result of the year's work. For full information as to Courses, apply for Prospectus to the Secretary and Registrar, J. E. LLOYD, M.A. GUY'S HOSPITAL. PRELIM. SCIENTIFIC (M.B. London.). The next Course of Lectures and Practical Classes for this Examination will begin on October 1. Full particulars may be obtained on application 800 (ALEX. MCKENZIE, Ph.D., D.Sc., M.A. H. WREN, Ph.D., B.A., B.Sc. ALBERT GRIFFITHS, D.Sc. D. OWEN, B.A., B.Sc. B. W. CLACK, B.Sc. (E. H. SMART, M.A. 1C. V. COATES, M.A. A. B. RENDLE, M.A., D.Sc. Zoology.. B.A. AND B.Sc. EXAMS. MATRICULATION, INTERMEDIATE, FINAL. PREPARATION by CORRESPONDENCE (Residence abroad ne impediment) or ORAL TUITION on a THOROUGHLY INDIVIDUAL SYSTEM. Fees based on success. The STAFF includes Graduates of Oxford, Cambridge, London, and Royal Universities, Science Medallists, Prizemen, Scholars, &c. SINGLE SUBJECTS TAKEN: Science, Mathematics, Logic, Psychology, Political Economy, Latin, Greek, French, German, &c. For terms, &c., address Mr. J. CHARLESTON, B.A. (Lond. and Oxon.), Burlington Correspondence College, Clapham Common, London, S.W. UNIVERSITY OF MANCHESTER AND MANCHESTER ROYAL INFIRMARY. ENTRANCE MEDICAL SCHOLARSHIPS. TWO SCHOLARSHIPS are offered, one for proficiency in Arts, and one for proficiency in Science. Each Scholarship is of the value of £100, and the successful candidates will be required to enter for the full medical curriculum in the University and the Infirinary. The Scholarships will be awarded to candidates who give evidence of a high standard of proficiency in Arts or Science respectively. Applications should be sent on or before July 1 to the Registrar, from whom further particulars may be obtained. UNIVERSITY OF MANCHESTER. A PLATT BIOLOGICAL SCHOLARSHIP of the value of £50 is offered for award. The Scholarship is open to persons who have studied Zoology or Botany in any University or College Laboratory, and the successful candidate will be required to devote himself to research in the Zoological or Botanical Laboratory of the University during the tenure of the Scholarship. Applications should be sent on or before July 7 to the Registrar, from whom further particulars may be obtained. EGYPTIAN government. MINISTRY OF EDUCATION. The following post at the School of Medicine, Cairo, is vacant: ASSISTANT TO THE PROFESSOR OF CHEMISTRY. The appointment is for two years, and may be renewed at the end of that time. Applicants should forward copies of testimonials and such other particulars as are mentioned below. The Lay of the post is £E. 320 per annum, the Egyptian Pound being worth 6 more than the Pound Sterling. Private Practice is not allowed. It is to be distinctly understood that the appointment gives no claim to pension or indemnity The Government reserves to itself the right to dismiss the assistant for misconduct or incapacity. In the Government Schools, as in all State Administrations in Egypt, Sunday is a working day. The Schools are closed on Fridays. Leave will be granted on the same terms as to other Government Officials. The possibility of taking leave, and the period of the year at which it is granted, depend upon the exigencies of the service. Pay commences from date of arrival in Cairo. On taking up his duties in Cairo, the Assistant will receive one month's pay in lieu of passage money. All applicants should attach a certificate from a legally qualified medical man staring that in his opinion the candidate would pass as a first-class Life for insurance purpo⚫es. All applicants should state: Their training and qualifications in Analytical Chemistry, What foreign languages they know, and If they can be in Cairo by October 1. The latest mail by which applications may be posted will leave London on Friday, August 31. Applications to be addressed :-THE Director, Government School of Medicine, Cairo, Egypt. NORTHAMPTON INSTITUTE, ST. JOHN STREET, LONDON, E.C. The Governing Body invite applications for the following vacant appointments — DRAWING OFFICE and LECTURE ASSISTANT, Mechanical Engineering Department, full time; salary, £120 per annum. TWO DEMONSTRATORS for the Electrical Engineering Laboratories, full time; at salaries of £100 and £80 per annum respectively. DEMONSTRATOR and LECTURE ASSISTANT, Technical Chemistry Department, full time. Further particulars of any of these vacancies, with forms of application, which should be returned not later than 10 a.m. on Monday, June 25, 1906, can be obtained on application by letter to R. MULLINEUX WALMSLEY, D.Sc., Principal. INDIAN AGRICULTURAL DEPARTMENT. The Secretary of State for India in Council invites applications for TWELVE APPOINTMENTS in the INDIAN AGRICULTURAL DEPARTMENT, for which five all-round Agriculturists, three Agricultural Botanists, and four Agricultural Chemists are required. Candidates should possess a University Honours Degree, or recognised diploma in agriculture, agricultural botany, or agricultural chemistry, as the case may be, and should not be under 23 or over 30 years of age. Applications should be received before the end of June. Further particulars and application forms may be had from the SECRETARY, Revenue Department, India Office, S. W. COUNTY BOROUGH OF WEST HAM. MUNICIPAL TECHNICAL INSTITUTE. The Council invite applications for the appointment of a DEMONSTRATOR in the PHYSICS LABORATORY, who will be required also to take certain classes in Mathematics. Salary, 120 per annum. Particulars of duties, &c., can be obtained on sending a fully addressed foolscap envelope to the PRINCIPAL, Municipal Technical Institute, Romford Road, West Ham, E. All applications must be lodged with the PRINCIPAL, before noon, June 25, 1906 By order of the Council, June 9, 1906. FRED. E. HILLEARY, Town Clerk. CITY OF BIRMINGHAM EDUCATION COMMITTEE. The Committee require the services of a CHIEF ASSISTANT MASTER for the Boys' Department of the George Dixon Secondary School. Salary, £160-£200 per annum, according to qualifications and experience. Candidates must be qualified to teach Mathematics and History. Form of application may be obtained from the undersigned. Education Department, Edmund Street, June 13, 1906. CITY AND GUILDS OF LONDON INSTITUTE CENTRAL TECHNICAL COLLEGE. WANTED, an ADDITIONAL ASSISTANT in ELECTRICAL ENGINEERING DEPARTMENT. Salary, 150 per annum. Candidates should have had experience in teaching, and should have lately been in practical connection with the industry. Apply in first instance, by letter marked "Assistant," stating age, training and experience, to Professor W. E. AYRTON, City and Guilds Central Technical College, Exhibition Road, London, S.W. THE GLASGOW AND WEST OF SCOTLAND TECHNICAL COLlege. DEPARTMENT OF NATURAL PHILOSOPHY. The Governors invite applications for the PROFESSORSHIP of NATURAL PHILOSOPHY in this College, vacant by the death of Professor James Blyth, M.A., LL.D. Salary, £500. Applications, with testimonials, must be sent not later than July 14 to the SECRETARY, Technical College, Glasgow, from whom further information may be obtained. THE GLASGOW AND WEST OF SCOTLAND TECHNICAL COLLege. DEPARTMENT OF METALLURGY. Applications are invited for the position of SENIOR ASSISTANT to the Professor of Metallurgy. Salary, 100, rising to £150. Candidates must have a knowledge of Metallography and experience in teaching. Further particulars may be obtained from the SECRETARY, The Technical College, Glasgow, to whom applications must be sent not later than July 14, 1906. GLASGOW AND WEST OF SCOTLAND TECHNICAL COLLEGE. DEPARTMENT OF ELECTRICAL ENGINEERING. WANTED, an ASSISTANT qualified to teach Dynamo Design. Salary, £100. Applications, with any testimonials, to be sent before Thursday, June 28, to Prof. MAGNUS MACLEAN. 103 BOROUGH ROAD, LONDON, S. E. The Governors of the above Institute will require in September the services of an ASSISTANT LECTURER in the MECHANICAL ENGINEERING DEPARTMENT. Commencing salary, £130 to £150, according to qualifications. Copies only of not more than three testimonials to be sent. UNIVERSITY COLLEGE, BRISTOL. The Council invite applications for the post of LECTURER in MATHEMATICS. Commencing salary, £140 per annum. Full particulars may be obtained on application. JAMES RAFTER, Registrar. For other Scholastic Advertisements, see page lxvi, and page ii of Supplement. |