clxxxii 



NATURE 



[April lo, 1879 



WANTED, Clean Copies of NATURE, No. 472, 

 for No-dember 14, 1878, — Address — Office of 

 NATURE, 29, Bedford Street, Strand. 



MICROSCOPIC OBJECTS 



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

 scopy. Catalogue post free and gratis on application. 



PARIS UNIVERSAL EXHIBITION, 1878. 



Priu Medal awarded for Excellence, Variety, ir'c. 

 EDMUND WHEELER, 48N, ToUington Road. Holloway. London, N. 



The ROYAL SOCIETY.— The Post of Clerk 



and Assistant to the Librarian is now VACANT. Applications stating 

 age and qualifications, accompanied by testimonials, to be sent to the 

 Secretary, Royal Society, Burl.ngton House, on or before April 26th. 

 Salary, ;(Ji5o per annum, without apartments. 



ROYAL INSTITUTION OF GREAT 

 BRITAIN, 



ALBEMARLE STREET, PICCADILLY, W. 



LECTURE ARRANGEMENTS AFTER EASTER, 1S79. 



Lecture Hour, Three o'clock. 



Ernst Pauer, Esq.— Three Lectures on " Schubert, Mendelssohn, and 

 Schumann " (with Musical Illustrations); on Tuesdays, April 22 to May 6. 

 Half-a-Guinea. 



Professor Dewar, M.A., F.R.S.— Five Lectures on "Dissociation" on 

 Thursdays, April 24 to May 29. Half-a-Guinea. 



No Lecture on May i, the day of the Annual Meeting. 



H. H. Statham, Esq. — Four Lectures on "Ihe Leading Styles of 

 Architecture Historically and ^sthetically Considered; " en Saturdays, 

 April 26 to May 17. Half-a-Guinea. 



Professor Karl Hillebrand. — Six Lectures on "The Intellectual 

 Movement of Germany from the Middle of the Last to the Middle of the 

 Present Century ;" on Tuesday, May 13 ; Mondays, May 19, 26, June 2; 

 Tuesday, June 10 ; and Thursday, June 12. One Guinea. 



JoH.N Robert Seeley, Esq., M.A., Professor of Modem History, Cam- 

 bridge. — Four Lectures on Tuesdays, May 20, 27, June 3 ; and on Thurs- 

 day, June 5. Halr-a-Guinea. 



Professor Henry Morlev. — Three Lectures on " Swift; " on Saturdays, 

 May 24 to June 7. Half-a-Guinea. 



Subscription to all these Courses, Two Guineas. 



The FRIDAY EVENING MEETINGS will be resumed on April 25th, 

 at 8 P.M. Francis Gallon, Esq., F.R.S., will give a Discourse on " Generic 

 Images," at 9 P.M. Succeeding Discourses will probably be given by Pro- 

 fessor J. G. McKendrick, Sir John Lubbock, Professor A. Cornu, W. H. 

 Preece, Esq., Grant Allen, Esq., Professor Dewar, and Frederick J. Bram- 

 well, Esq. 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 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. 



A GENTLEMAN who is going on a Dredg- 

 ing Cntise round the British Isles would be glad to meet another Natu- 

 ralist who would be willing to accompany him during the whole or part 

 of the voyage. — For further particulars apply to C. P. Ogilvie, F.L.S. 

 Sizeville House, Leiston, Suffolk. 



ROYAL COLLEGE OF SURGEONS IN 

 IRELAND. 



NOTICE is Hereby Given, that on the ist day of JUNE next the Coun- 

 cil will proceed to elect a CUR.ATOR of the Museum at a salary of ;£25o 

 a year. 



Candidates will be required to lodge at the College, on or before the 31st 

 of May next, Preparations in Human and Comparative Anatomy, made by 

 themselves, as prescribed in the regulations. 



Information respecting the duties of the office may be obtained by appli- 

 cation to the Registrar at the College. 



By order of Council, 



JOHN BRENNAN, Registrar. 

 April ist, 1879. 



DUNHEVED COLLEGE (LIMITED), 



LAUNCESTON, CORNWALL. 

 Seven hours from London. Separate Bedrooms. Systematic Teaching 

 in Science, Foreign Languages, and University Courses. 

 Calendar post free from 



The Principal— BENJAMIN RALPH, LL.B. Dub. 



SOUTH LONDON SCHOOL OF 

 PHARMACY. 



TO STUDENTS.— Dr. MUTER will commence a Course of 12 Lectures 

 and 4 Tutorial Evenings on "The Elements of Light, Heat, and Electri- 

 city," fully illustrated by Experiments, on 22nd April, 1879, at 7 p.m. 

 Tickets, £2 2S. each, to be had of Mr. Baxter, Secretary, at the Office of 

 the School, Kennington Cross, S. E. . . 



LIVING SPECIMENS FOR THE MICROSCOPE. 



THOMAS BOLTON. MICROSCOPIST'S and NATURALISrS 

 STUDIO, 17, ANN STREET, BIRMINGHAM. 



T. B. has last week posted to his subscribers CtistaUUa mucedo jus 

 emerged from the Statoblast, with sketch of the mature Polyzoon (aften 

 Allman). He has also distributed Plumatella, Fredericella, Stephanoceroa, 

 Floscularia, Melicerta, Hydatina, Rhynops, Euglena, Nitella, Fr<.g Spawn! 

 &c. 



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

 IS supplying. 



Price List of Specimens on application, with Stamped Addressed 

 Envelope. 



A friend has offered T. B. a constant supply of mounted and unmounted 

 specimens of all kinds of Parasites of Man and Animals (Entoioa and 

 Ectozoa), also sections of all Mammalian organs. 



NOTICE.— TOWN HALL, KILBURN. 



THE ASTRONOMICAL MODELS and 



DIAGRAMS will be ON VIEW on Mondays, Wednesdays, and 

 Fridays throughout April, with exception of Good Friday. ^^ 



ROYAL POLYTECHNIC— CLASSES for 



the preparation of Students for University Examinations, under tba 

 direction of EDWARD B. AVELING, D.Sc, F.L.S. London Uni. 

 yersity Matriculation, ist and 2nd B.Sc, Preliminary Scientific M.B., 

 Botany, Physiology, Chemistry. All the work practical. 



TUITION for the UNIVERSITIES, CIVIL 



Service, and Army. — Pupils prepared for the above by a Tutor in South 

 Kensington. Address — Tutor, Lamley's Library, Thurloe Place, 

 South Kensington. 



LIBRARY OF HARVARD UNIVERSITY. 

 CAMBRIDGE, MASS., U.S.A. 



Packages for the Genoral Library, or for any of the Departmental 

 Libraries (Astronomical Observatory, Botanic Garden, Bussey Institution, 

 Dirinity School, Law School, Museum of Comparative Zoology, Scientific 

 School), may be sent to the Agents, Messrs. TrCbner & Co., 57 and 59, 

 LudgateHill, London. 



JUSTIN WINSOR. Librarian. 



WITHERNDEN SCHOOL, CATERHAM 



VALLEY, SURREY.— Principal, Mr. C. H. LAKE, B.A. Lond. On 

 Honours). Education on Natural Principles. A limited number of Pupils. 



LABORATORY, 38, GRACECHURCH STREET, LONDON, EC. 



A. ANTHONY NESBIT, 



WATER A 



ESBIT, F.C.S., I 



NALYST, I 



Performs every description of Water Analysis on moderate terms. 



Properly cleansed bottles for the reception of samples sent to any part of 

 the Kingdom. 



A GRADUATE in Natural Science Honours 



(Oxon.) prepares Gentlemen for Examinations in Chemistry, Physics, 

 and Elementary Mathematics. — Address Alpha, care of Publisher of 

 Nature, 29, Bedford Street, Strand. 



UNIVERSITY OF DURHAM 

 COLLEGE OF PHYSICAL SCIENCE, 



NEWCASTLE-UPON-TYNE. 



The Council of this College will receive applications for the Professorshi; 

 of Geologi', Salary j^300 and Two-Thirds of the Student's Fees. 



Candidates for the office are invited to apply (with Testiraonial.s) to Theo. 

 Wood Bunning, Secretary to the College of Physical Science, Newcastle- 

 upon-Tyne, before MONDAY, the 28th of APRIL, from whom full par 

 ticulars as to duties, &c., may be obtained. 



FOR SALE.--A COMPACT, GENERAL 



COLLECTION of FOSSILS, the property of a Gentleman wh 

 through adverse circumstances connected with ill-health, is under th 

 necessity of parting with his geological treasures. It includes about 

 500 specimens, representing, say, 250 Species. Price £,(>. 



W. H. SHRUBSOLE, F.G.S., SHEERNESS-ON-SEA, in the hope oi 

 thereby helping a friend, will be glad to furnish full particulars. 



ELECTRICAL & SCIENTIFIC APPaRA- 



TUS for AMATEURS and the TRADE.— Micrcphi nes of every fom, 

 from IS. dd. New cheap Electnc Lamps and fcatter.es. Induction 

 Coils and Frictional Machines are specialties. Electrical Bells, Fire 

 and Thief Alarms, and Autcmatic Switch-boards. Magnets, Covered 

 Wires, Screws, and all Materials. Apparatus for Science leachers. 

 Illustrated Catalogue, one stamp. Repairs and Alterations. Appara- 

 tus made to sketch.— DALE & CRAMPTON, Manufacturing Elec- 

 txiciwis. 4, Little Britain, E.G. 



