Ixxxii 



NATURE 



\yuly lo, 1879 



WANTED, Clean Copies of NATURE, No. 472, 

 for November 14, 1878. Address — Office of 

 NATURE, 29, Bedford Street, S trand. 



MICROSCOPIC OBJECTS 



Of superlative perfection, illustrating Histology and every branch of Micro- 

 scopy. Catalogue post free and gratis on application. 



PARIS UNIVERSAL EXHIBITION, 1878. 



Prize Medal awarded for Excellence^ Variety^ ^c. 

 SDMUND WHEELER, 48N, Tollington Road, Holloway, London, N, 



BRITISH ASSOCIATION FOR THE 

 ADVANCEMENT OF SCIENCE, 



22, ALBEMARLE STREET, W. 



The NEXT ANNUAL GENERAL MEETING will be held at 

 SHEFFIELD, commencing on WEDNESDAY, August 20. 



President-E lect. 



Prof. G. J. ALLMAN, M.D., LL.D., F.R.S.L. and E.. M.R.LA. 



Pres. L.S. 



NOTICE to CONTRIBUTORS of MEMOIRS.— Authors are reminded 

 that, under an arrangement dating from 1^71, the acceptance of Memoirs, 

 and the days on which they are to be read, are now, as far as possible, de- 

 termined by Organising Committees for the several Sections ^('Ar^ the begin- 

 ■ *ting of the Meeting. It has therefore become necessary, in order to give 

 an opportunity to the Committees of doing justice to the several communica- 

 tions, that each Author should prepare beforehand an Abstract of his 

 Memoir, of a length suitable for insertion in the published Transactions of 

 the Association, and the Council request that he will send it, together with 

 the original Memoir, by bcok-post, en or before July 15. addressed thus : — 

 "General Secretaries, British Association, 22, Albemarle Street, London, 

 W. For Section " Authors who ccmply wiih this re- 

 quest, and whose Papers are accepted, will be furnished be/ore the Meeting 

 with printed copies of their Reports or Abstracts. If it should be inconve- 

 nient to the Author that his Paper should be read on any particular days, he 

 is requested to send information thereof to the Secretaries in a separate 

 note. 



No Report, Paper, or Abstract can be inserted In the Report of the Asso- 

 ciation unless it is in the Assist ant- Secretary's hands before the conclusion 

 of the Meeting. 



J. E. H. GORDON, Assist ant -Secretary. 



A PRINCIPAL is REQUIRED for the 



Central Schools now being established by the Sheffield School Beard, 



with the view chiefly of carrj'ing forward the Education of Pupils from 



ihe Higher Standards of the various Elementary Schools in the district. 



A Graduate of cue of the Universities preferred. He must be a good 



organiser, and high scientific attainments would be considered an 



advantage. 



In making the selection, the Board hope to have the advice and help of 



the head masters of some of the great public schools and other gentlemen of 



experience in educational matters. 



The Salary will be not less than ;^4oo per annum to begin with, and its 

 increase will be made dependent to some extent on the progress and success 

 of the School. The School will occupy an important position; and the 

 buildings, carefully designed for their special purpose, are most complete, 

 Further informaticn may be obtained by intending Candidates from the 

 Clerk of the Beard, to whom appHcaticns should be sent on or before the 

 28th July inst. 



By Order, JNO. F. MOSS, Clerk. 



Offices of the School Board, Sheffield, July ist, 1879. 



SIR JOSIAH MASON'S SCIENCE 

 COLLEGE, BIRMINGHAM. 



It is intended to OPEN this College in the month of OCTOBER, 1880. 



The full staff of Professors will Include those necessary to enable Students 

 to pass the Examinations of the University of London for the degrees of 

 B.Sc. and D.Sc. 



The Professors of Mathematics, Physics, Chemistry, and Biology (includ- 

 ing Botany and Zoology), will be the first appointed. 



The appointments will be made for a term of three years, renewable at 

 the pleasure of the trustees. The stipend in each case will be £,2%o per 

 annum, with half the class fees. 



Applications from Candidates must be forwarded not later than the 31st 

 of December next to the Honorary Secretary to the Trustees, Mr. G. J. 

 J hnson, 36, Waterloo Street, Birmingham, from whom any further infor- 

 mation may be obtained. 



By a resolution of the Trustees, Candidates are specially requested to 

 abstain from canvassing. 



MINERALOGY. 



Fine Siberian Minerals, Tourmalines, Zircons, Yltrotantalite, and others, 

 from Norway. 



Private Lessons and Evening Classes. 



ON VIEW. 

 A few SPLENDID JAPANESE VASES, Kaga and Satsuma VS'are. 



LIVING SPECIMENS FOR THE MICROSCOPE. 



THOMAS BOLTON. MICROSCOPIST'S and NATURALISTS 

 STUDIO, 17, ANN STREET, BIRMINGHAM. 



T. B. has last week posted to his s\xh^crihtr^ Gonium pectorale,9.yKiVy 

 little Volvocinese, with sketch and description. He has also distributed 

 Pandoiina intrnm^ Nitella, Chara, Akyonella fuvgosa, Cristatella mucetfoy 

 Fredericella sultana, Melicerta, Floscularia, Hydra (w.th generative 

 organs), &c. ... - . _ „ 



Weekly announcements will be made m this place of organisms T. B. 

 is supplying. 



Specimen Tube, One Shilling, post-free, 



Tiveniy-six Tubes in course »/ Six MontJis/er Subscription 0/ £1 is. 

 Price List of Specimens on application, with stamped addressed envelope. 



INSTITUTE of CHEMISTRY of GREAT 

 BRITAIN and IRELAND. 



An EXAMINATION in Practical Chemistry in connection with the 

 Institute will be held en MONDAY, nth August, and four following days. 

 Examiner, Dr. W. R. Hodgkinson 



Candidates are requested to communicate with the Secretary, Mr. 

 Charles E. Gkoves, Somerset House Terrace, London, W.C. 



SAMUEL HENSON, 



[_ 277, LATE ii3\, STRAND, LONDON, W.C. 



ANTHROPOLOGICAL INSTITUTE.— 



The Post of ASSISTANT-SECRETARY is VACANT, Salary, 120/. 

 per annum. — Applications, by letter, stating age and qualifications, to be 

 addressed to the Treasurer, 4, St. Martin's Place, W.C, from whom 

 also printed particulars of the duties cin be obtained. All apphcations 

 must be sent in on or before the igth cf JULY NEXT. 



FO R SALE.— INDIAN ELEPHANT 



SKELETONS, two monsters, nearly twelve feet high, one macerated 

 the other not ; one has tusks valued at Rs. 400 ; to be sold, a bargain. 

 Can be seen at 6, Somerset Villas, Lordship Road, Stoke Newington^ 

 London. 



Several Skins of Elliott's Pheasant on hand. 



ST. THOMAS'S HOSPITAL, ALBERT 

 EMBANKMENT, S.E. 



The WINTER SESSION, 1879-80, will commence r.n OCTOBER ist. 



TWO ENTRANCE SCIENCE SCHOLARSHIPS of Ito and £^0, 

 OPEN to all First Year's Students, without the conditicn of their hav.ng 

 first entered as Students of the Hospital, will be awarded in the first ^veek of 

 October. Subjects : Chemistry and Physics, with either Bctany or Zoology, 

 at option. SPECIAL CLASSES for the PRELIMINARY SCIENTIFIC 

 of University of London, with Practical Work in Laboratories and Museums, 

 are to be held from October to July, and for the ist M.B. frcm January to 

 July. 



Several Medical Practitioners in the neighbourhood receive Students for 

 residence and supervision, and a register of inspected and approved lodgings 

 is kept in the Secretaiy's office. 



Prospectus and all particulars may be obtained from the Secretary, Dr. 

 Gillespie, at the Hospital. 



W. M. ORD, M.D.. Iiean. 



Mr. TENNANT, F.G.S., Professor of 



Mineralogy and Geology, Mineralogist by Appointment to Her Jlajesty 

 and the Baroness Burdett-Coutts, 149, Strand, London, W.C., having 

 been fifty years in business, contemplates shortly RETIRING, and 

 offers for SALE several of his extensive COLLECTIONS of Minerals. 

 Rocks, and Fossils. They are well adapted for first-class Educational 

 Establishments, Provincial or Colonial Museums, or for the Private 

 Study of any Scientific Person wishing to become acquainted with the 

 above-mentioned Sciences. From ^r,ooo to 5,000 Guineas. Students' 

 Collections at 2, 5, 10, z©, to 50 Guineas. 



ELECTRICAL, SCIENTIFIC, & PHOTO- 



GRAPHIC APPARATUS.— Electric Bells, Fire ard Thief Alarms^ 

 and Automatic Switches. Induction Coils, Frictional Machines, Lamps, 

 and Batteries. Microphones, Wires, Magnets, Carbons, and all Mate- 

 rials. Repairs and Alterations. New Illustrated Descriptive Catalogue, 

 one Stamp. Cameras, Dry Plates, Sensitive Paper, and all Chtmicals. 

 Photo. List free.— DALE & CRAMPTUN, Manufacturing Opticians, 

 4, Little Britain, London, E.C. 



DURING the RECENT GALES a large 



quantity of interesting FOSSILS have been washed out of the London 

 Clay Cliffs of Sheppey. A represeutative Series of 100 Specimens, 

 correctly named, will be sent carriage paid to London on receipt of loj., 

 or I small specimen each of 12 species, post free for 15^. ^d., by 

 W. H, SHRUBSOLE, F.G.S., Sheerness-on-Sea. 



LABORATORY, 38, GRACECHURCH STREET, LONDON, E.C 



A. ANTHONY NESBIT, F.C.S., 



WATER ANALYST, 



Performs every description of Water Analysis on moderate tenn& 



Properly cleall.sed bottles for the reception of samples sent to any part of 



the Kingdom. 



