ROYAL INSTITUTION OF GREAT BRITAIN, 



ALBEMARLE STREET, PICCADILLY, W. 



LECTURE ARRANGEMENTS AFTER EASTER, 1886 



Lecture Hour, Three o'clock p.m. 

 Professor Arthur Gamgee, M.D., F.R.S., Fullerian Professor of Physiology, 

 R.L — Six Lectures on the Function of Circulation; on Tuesdays, May 4, 11, 

 18, 25, June 1, 8. One Guinea. 



Professor Dewar, M.A., F.R.S., M.R.I., Fullerian Professor of Chemistry, 

 R.L — Three Lectures on the Alkaloids ; on Thursdays, May 6, 13, 20. Half- 

 a-Guinea. 



Professor Alexander Macalister, M.D., M.A., F.R.S. — Three Lectures on 

 Habit as a Factor in Human Morphology; on Thursdays, May 27, June 3, 10. 

 Half -a- Guinea. 



Professor Ernst Patjer. — Three Lectures on How to form a Judgment on 

 Musical Works (with Musical Illustrations); on Saturdays, May 8, 15, 22. 

 Half -a- Guinea. 



Professor George Gabriel Stokes, M.A., D.C.L., LL.D., Pres. R.S. — 

 Three Lectures on Light, with Special Reference to Effects resulting from its 

 Action on various Substances; on Saturdays, May 29, June 5, 12. Half-a- 

 Guinea. 



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

 Guineas. Tickets issued daily. 



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

 for any Lecture, for Half -a- Guinea. 



The Friday Evening Meetings will be resumed on May 7th, at 8 p.m. 

 Mr. Frederick Siemens will give a Discourse on Dissociation, at 9 p.m. 

 Succeeding Discourses will probably be given by Professor J. M. Thomson, 

 Sir John Lubbock, Bart., M.P., Professor Oliver Lodge, Dr. Walter H. Gaskell, 

 and Professor Dewar. 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. 



Demy 8vo, price Is. 



THE OBSERVATORY, 



A MONTHLY REVIEW OF ASTRONOMY. 



• Edited by 



E. W. MAUNDER, F.R.A.S., 



A. M. W. DOWNING, M.A., F.R.A.S., 



and 



T. LEWIS, F.R.A.S. 



THE COMPANION TO THE OBSERVATORY FOR 1886. 



Price Is. 

 Taylor and Francis, Red Lion Court, Fleet Street, E.C. 



[ADVERTISEMENTS continued on 3rd page of cover. 



