ROYAL INSTITUTION OF

GREAT BRITAIN,

ALBEMARLE STREET, PICCADILLY, W. LECTURE ARRANGEMENTS AFTER EASTER, 1905. Tuesdays. Lecture Hour, Five o'clock.

Professor L. C. MIALL, D.Sc., F.R.S., Fullerian Professor of Physiology, R.I., and Professor of Biology, Leeds University. Three Lectures on "The Study of Extinct Animals." On Tuesdays, May 2, 9, 16.

Rev. HENRY G. Woods, D.D., the Master of the Temple. Three Lectures on "Velazquez: (1) "The Young Velazquez"; (2) "The Court Portrait Painter ; (3) "The Impressionist." On Tuesdays, May 23, 30, June 6.

Thursdays. Lecture Hour, Five o'clock.

Professor SIR JAMES DEWAR, M.A., LL.D., D.Sc., F.R.S., M.R.I., Fullerian Professor of Chemistry, R.I. Three Lectures on "Flame." On Thursdays, May 4, 11, 18.

Professor J. A. FLEMING, M.A., D.Sc., F.R.S., M.R.I., Professor of Electrical Engineering in University College, London. (The Tyndall Lectures.) Three Lectures on "Electromagnetic Waves." On Thursdays, May 25, June 1, 8.

Saturdays. Lecture Hour, Three o'clock.

Professor MARSHALL WARD, D.Sc., F.R.S., Professor of Botany in the University of Cambridge. Two Lectures on Moulds and Mouldiness." On Saturdays, May 6, 13.

JAMES GEORGE FRAZER, Esq, D.C.L., LL.D., Litt.D., Fellow of Trinity College, Cambridge. Two Lectures on "The Evolution of the Kingship in Early Society." On Saturdays, May 20, 27.

A. HENRY SAVAGE LANDOR, Esq., M.R.I. Two Lectures on "Exploration in the Philippines." On Saturdays, June 3, 10.

Subscription (to Non-Members) to all Courses of Lectures (extending from Christmas to Midsummer). Two Guineas. Subscription to a single Course of Lectures, One Guinea, or Half-a-Guinea, according to the length of the Course. Tickets issued daily at the Institution, or sent by post on receipt of Cheque or Post-Office Order.

Members may purchase not less than Three Single Lecture Tickets, available for any Afternoon Lecture, for Half-a-Guinea.

The FRIDAY EVENING MEETINGS will be resumed on May 5. at 9 p.m., when Professor HENRY E. ARMSTRONG will give a Discourse on "Problems underlying Nutrition." Succeeding Discourses will probably be given by Professor E. Fox NICHOLS (of Columbia University), SIR CHARLES ELIOT, K.C. M.G., Professor J. W. BRUHL (of Heidelberg University), Mr. GEORGE HENSCHEL, SIR WILLIAM H. WHITE, K.C.B., and other gentlemen. To these Meetings Members and their Friends only are

admitted.

Persons desirous of becoming Members are requested to apply to the Secretary. When proposed they are immediately admitted to all the Lectures, to the Friday Evening Meetings, and to the Library and Reading Rooms; and their Families are admitted to the Lectures at a reduced charge. Payment: First Year, Ten Guineas; afterwards, Five Guineas a Year; or a composition of Sixty Guineas.

FOR SALE.-X-Rays Outfit. 10" Apps Coil,

6 "Q21" accumulators, stand, tubes, sundries, in good working order. Also 6" Apps Coil and 6′′ Harvey and Peak Coil. Can be seen by! appointment, London Stereoscopic Company, 54 Cheapside.

UNIVERSITY

SUMMER

ALL COURSES AND DEGREES ARE OPEN TO BOTH MEN AND WOMES STUDENTS.

In the Medical School there is a separate Dissecting Room for Women with a qualified Woman Demonstrator.

Graduates of other Universities may, after two years' study or research take a Master's Degree.

Syllabuses with all information will be sent on application to the SECRETARY.

(UNDER THE AUSPICES OF HIS MAJESTY'S GOVERNMENT THE LONDON SCHOOL OF TROPICAL MEDICINE.

(UNIVERSITY OF LONDON.) CONNAUGHT ROAD, ALBERT DOCK, E.

(IN CONNECTION WITH THE HOSPITALS OF THE SEAMEN HOSPITAL SOCIETY.)

The next SESSION commences on MONDAY, MAY 1, 1903. For Prospectus, Syllabus, and other particulars, apply to the Secreta P. MICHELLI, Esq., Seamen's Hospital, Greenwich, S.E.

ABERDEEN.

are:

BROWNING'S SPECTROSCOPES.

RADIUM

We have just received a limited
consignment of

PURE BROMIDE
OF RADIUM

of the

VERY HIGHEST ACTIVITY,

and can supply same in 5 mg. tubes

DR. R. T. GLAZEBROOK, M.A., F.R.S.,

Director of the National Physical Laboratory.
Vice-Presidents:

SIR WM. DE WIVELESLIE ABNEY, K.C.B., D.C.L., F.R.S.
THE RIGHT HON. THE LORD BLYTHSWOOD.
SIR W. H. M. CHRISTIE, K.C.B., M.A., F.R.S.,
Astronomer Royal.

THE RIGHT HON. THE EARL OF CRAWFORD, K.T., LL.D., F.R S.
MR. THOS. R. DALLMEYER, F.R.A.S.
THE HON. ALBAN G. H. GIBBS, M.A., M.P.,
Master of the Worshipful Co. of Spectacie Makers.
SIR HOWARD GRUBB, F.R.S.

THE RIGHT HON. THE LORD KELVIN, O.M., G.C.V.O., F.R.S.
THE RIGHT HON. THE LORD RAYLEIGH, O.M., D.C.L., F.R.S.
THE RIGHT HON. THE EARL OF ROSSE, K.P., D.C.L., F.R.S.

THE OPTICAL CONVENTION will be held at the NORTHAMPTON INSTITUTE, CLERKENWELL, E.C., from May 31 to June 3, inclusive.

The object of the Convention is to bring into co-operation those interested in Optical Matters, from all sides of the question, theoretical, practical, and commercial.

The mornings will be devoted to papers and discussions on Optical subjects. These will be collected in a volume to be issued by the Convention.

There will be an

EXHIBITION OF OPTICAL & SCIENTIFIC INSTRUMENTS

of British manufacture, in the large hall of the Northampton Institute, during the Convention, open daily from 12 to 10 p.m. In connection with this, a catalogue is in preparation, which will be a useful work of reference in regard to instruments manufactured in this country.

The Subscription for Membership of the Convention will be five shillings. Applications for membership should be addressed to the Hon. Sec., Mr. F. J. SELBY, M.A., Elm Lodge, Teddington, Middlesex, who will be glad to furnish further particulars if desired. ADMISSION to the Exhibition, daily, ONE SHILLING, after 7 p.m., Sixpence.

Tickets admitting to the Exhibition at any time while it is open, 2/6.

Price, in Morocco Leather Case

£3 8s. 6d.

For use with the above"HOW TO FORETELL THE WEATHER WITH THE POCKET SPECTROSCOPE."

By F. W. CORY, F.R.M.S., M. R.C. S., &c. With 10 Illustrations. In paper cover, 15.; in cloth, 1s. 6d. STUDENTS' SPECTROSCOPES, £7, £8 16s., and £15. Illustrated Catalogues of Spectroscopes or Telescopes post free. Man'fg.

JOHN BROWNING, Optic, 78 STRAND, LONDON.

CAMBRIDGE UNIVERSITY MEDICAL SCHOOL.

LONG VACATION COURSES, 1905.

In addition to the usual courses given in the Fharmacological and Pathological Departments there will be a series of short courses of Lectures and Demonstrations on Pharmacology (Bronchial Asthma, "vaso-constriction," the specific actions of drugs, &c.); Pathology (inflammation, immunity, antitoxins, and antibodies, food poisoning, &c.); and a course by Dr. NUTTALL on Protozoa and Protozoal Diseases.

These courses will be open to medical men, veterinary surgeons, senior students, and those interested in medical work; they will be held if a class of ten can be formed, and will not extend over more than three weeks or a month.

Full particulars may be obtained on application to Mr. E. E. STUBBINGS, Pathological Department, New Medical Schools, Cambridge.

UNIVERSITY COLLEGE, LONDON. (UNIVERSITY OF LONDON.)

EGYPTIAN GOVERNMENT

SCHOOLS.

In view of the extension of Secondary Education in Egypt, applications are invited for new ASSISTANT-MASTERSHIPS in Secondary Schools under Ministry of Public Instruction. Masters to begin work in September, in Cairo or Alexandria, and to teach in English exclusively. Over 400 boys in each school, mainly Mohammedans. In the case of one of the Masters now required, the subject mainly essential is Science (Experimental Physics and Chemistry); six of the new Masters will be principally engaged in teaching Mathematics (Arithmetic, Geometry, and Algebra); the others will be concerned more particularly with the teaching of English. Candidates must be not less than 23 nor over 30 years of age, have a robust constitution, and have taken a University Degree in Honours. They must have ex.

TO SCIENCE AND MATHEMATICAL MASTERS.-Required (1) for important Grammar School near London, Master for Physics and Mathematics. Salary, 130, resident. (2) Physics Master for Secondary School. 150, non-res. (3) Mathematical Master for Public School, Sea-side. 150. (4) Science and Maths. 100, resident. Army Coaching Establishment (5) Mathe matics and English, Wanted in September. 100, resident. Gramma: School. For particulars of above and other Science and Mathl pusts, address GRIFFITHS, SMITH, POWELL & SMITH, Tutorial Agents (Estd. 1833), 34 Bedford Street, Strand, London. NOW READY.

Diploma in Teaching. Salary, £295 per annum (Eg.24 per mensem), rising to £393 per annum (Eg.32 per mensem). Allowance for passage out to Egypt. Teaching hours, on an average, four daily, Fridays only excepted. Summer vacation not less than two months.

Applications, with full statement of qualifications, and accompanied by copies only of testimonials, must be sent in before May 15, 1905, marked outside Assistant Masterships," and addressed to the SECRETARYGENERAL, Ministry of Public Instruction, Cairo, Egypt, to whom candidates may apply for further information.

UNIVERSITY OF BIRMINGHAM.

FACULTY OF SCIENCE.

PROFESSORSHIP OF CIVIL ENGINEERING.

The Council of the University wish to elect a Professor of Civil Engineering to co-operate with the Professors of Mechanical and Electrical Engineering. He will have charge, with an assistant, of the teaching of Surveying, Strength of Materials, Hydraulics, and other branches of Civil Engineering, and will superintend the laboratories for Hydraulics and Strength of Materials.

The Stipend will be £600 a year.

The Professor will be allowed to take Higher Consultative work, to keep in touch with Civil Engineering practice, provided that it does not interfere with his University duties.

Applications, accompanied by seventy five copies of testimonials, should be received by the Secretary, not later than May 20.

The successful Candidate will be expected to begin his duties on October 2, 1905.

Further particulars may be obtained from

GEO. H. MORLEY, Secretary.

UNIVERSITY OF LONDON. WILLIAM LINDLEY STUDENTSHIP. A Research Studentship in Physiology of the value of £100 for one year, founded in memory of the late William Lindley and tenable in the Physiological Laboratory of the University, is now vacant. Applications, accompanied by a summary of the career of the applicant and the names of three persons to whom reference may be made, will be received by the undersigned on or before Monday, May 8 next.

A. W. RÜCKER, Principal. University of London, South Kensington, S. W.

WESTMINSTER HOSPITAL MEDICAL

Further particulars may be obtained from

E. PERCY PATON, M.S., F. R.C.S., Dean. WARRINGTON MUNICIPAL MUSEUM.

APPOINTMENT OF ASSISTANT CURATOR. The Committee invites applications from persons having a knowledge of Zoology and Botany, and some experience of Museum work.

Salary, 80, rising 10 yearly to 120. Particulars may be had from the undersigned, to whom applications, stating qualifications and experience, with reference and copies of recent testimonials, are to be sent not later than May 3.

CHARLES MADELEY, Curator. WANTED, by the Lancashire Education Committee for the Dairy School, Hutton, near Preston, Lecturer on Dairy Bacteriology and Practical Dairying from May 23 to September 16, 1905. Salary at the rate of £4 per week. Applications and copies of testimonials to be sent in not later than May to the DIRECTOR OF EDUCATION, County Offices, Preston.

COACHING (THEORY AND

PRACTICE)

In BIOLOGY, BOTANY, CHEMISTRY and PHYSIOLOGY for MEDICAL EXAMS.

Especial Course of Instruction in THERAPEUTICS, PHARMA: COLOGY and MICROSCOPY for INSTITUTE OF CHEMISTRY EXAM. Mr. FREDERICK DAVIS, The Laboratories, (Registered in Column B (Advanced Education), Teachers Registration Council, Board of Education, S.W.),

49 and 51 IMPERIAL BUILDINGS, LUDGATE CIRCUS, E.C.

OF THE

ROYAL SOCIETY OF LONDON. Series B, containing Papers of a Biological Character. Vol. 197, pp. 408, with 22 Plates. Price 1 135. 6d. London: HARRISON & SONS, 45 St. Martin's Lane, W.C A RECENT COMMENT UPON

The SYTAM SYSTEM

"Your System will assuredly revolutionize the present method-or want of methodin fitting up Laboratories, Libraries and Offices."

The Sytam Bottle Element.

Patent No. 7463.

This Bottle Element is substantially a Drawer, and is operated as such. It can be placed in a cupboard or underneath a bench or table, or several can be supplied in a suitable outer casing to form a complete cabinet.

One hundred 4 oz. bottles occupy less than 1 sq. ft. of wall space, each bottle is instantly lo cated, removed or replaced, and any size from oz. to a Winchester can be accommodated in one and the same element PRICES

Single Element, without shelves, £1 0 0 Ditto, with complete fittings,

£1 15 0.

Standard Cabinet of 6 Elements variously fitted. Bottles extra, £11 11 0.

The Sytam System is also applied to the storing and classifying of Books, Pamphlets, Manuscripts, and all other Documents, Specimens, &c.