ROYAL INSTITUTION OF GREAT BRITAIN, 



ALBEMARLE STREET, PICCADILLY, W. 

 LECTURE ARRANGEMENTS BEFORE EASTER 1880. 

 (Lecture Hour, Thbee o'clock.) 

 Christmas Lectures. 



Professor Tyndall, D.C.L., F.R.S. — Six Lectures on Air and Water : on 

 December 27 (Saturday), 30, 1879; Jan. 1, 3, 6, 8, 1880. One Guinea the 

 Course. Children under sixteen, Half-a- Guinea. 



Professor Edward A. Schafer, F.R.S. — Ten Lectures on the Physiology of 

 Muscle : on Tuesdays, Jan. 13 to March 16. One Guinea. 



H. Heathcote Statham, Esq. — Two Lectures on Modem Architecture since 

 the Renaissance : on Thursdays, Jan. 15 and 22. Half-a-Guinea. 



Professor Dewar, M.A., F.R.S. — Eight Lectures on Recent Chemical 

 Progress : on Thursdays, Jan. 29 to March 18. One Guinea. 



Professor T. Rupert Jones, F.R.S. — Three Lectures on Coal : on Saturdays, 

 Jan. 17, 24, 31. Half-a-Guinea. 



Professor Ernst Pauer, Esq. — Three Lectures on Handel, Sebastian Bach, 

 and Joseph Haydn (with Musical Illustrations) : on Saturdays, Feb. 7, 14, 21. 

 Half-a-Guinea. 



Four Lectures, on History or Literature, on Saturdays, Feb. 28, March 6, 13, 

 20. Half-a-Guinea. 



Subscription (to Non-Members) to all the Courses during the Season, 

 Two Guineas. 



Members may purchase not less than Three Single Lecture Tickets, available 

 for any Lecture, for Half-a-Guinea. 



The Friday Evening Meetings will begin on January 16, at 8 p.m. Professor 

 Dewar, F.R.S., will give a Discourse at 9 p.m. Succeeding Discourses will 

 probably be given by Dr. W. B. Carpenter, Professor J. Marshall, Dr. Huggins, 

 Mr. W. H. Preece, Rev. H. R. Haweis, Mr. F. J. Bramwell, Mr. H. N. Moseley, 

 Dr. C. William Siemens, Professors Tyndall and Huxley, Lord Reay, Mr. G. J. 

 Romanes, Mr. W. H. Pollock, Professor Frankland, Mr. H. H. Statham, Mr. W. 

 Spottiswoode, and Mr. Warren De La Rue. To these Meetings Members and 

 their Friends only are admitted. 



Persons desirous of becoming Members are requested to apply to the Secre- 

 tary. When proposed, they are admitted to all the Lectures, to the Friday Even- 

 ing 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. 



Now ready. 



In one volume, demy 4to, handsomely bound in cloth, with eighteen chromo 

 and other Plates. Price £2 2s. 



ATJRORiE, THEIR CHARACTERS AND SPECTRA. 



By J. RAND CAPRON, F.R.A.S. 



Part I. The Aurora and its Characters. 



Part II. Spectrum of the Aurora. 



Part HI. Magneto-Electric Experiments in connexion with the Aurora. 



By the same Author, 

 Demy 8vo, cloth, price 30s. 

 PHOTOGRAPHED SPECTRA. 



One Hundred and Thirty -six Photographs of Metallic, Gaseous, and other 

 Spectra, printed by the Permanent Autotype Process; with Introduction, De- 

 scription of Plates, and Index. 



London : E. & F. N. Spon, 46 Charing Cross. 



[ADVERTISEMENTS continued on 3rd page of Cover. 



