ROYAL INSTITUTION OF GREAT BRITAIN, 
ALBEMARLE STREET, PICCADILLY, W. 
LECTURE ARRANGEMENTS AFTER EASTER, 1880. 
Lecture Hour, Three o’clock. 
Professor HUXLEY, LL.D., F.R.S.— Two Ledture3 on Dogs, and the 
Problems connected with them ; on Tuesdays, April 6, 13. Half-a-Guinea the 
Course. 
ROBERT HENRY SCOTT, Esq., M.A., F.R.S., Secretary to the Council 
of the Meteorological Office— Four Ledtures on Wind and Weather ; on 
Tuesdays, April 20, 27, and May 4, n. Half-a-Guinea. 
JOHN FISKE, Esq.— Three Lectures on American Political Ideas viewed 
from the Standpoint of Universal History ; on Tuesdays, May 18, 25, and 
June 1. Half-a-Guinea. ^ 
Professor TYNDALL, D.C.L., F.R.S.— Six Ledtures on Light as a Mode 
of Motion ; on Thursdays, April 8 to May 13. One Guinea. 
T. W. RHYS DAVIDS, Esq. — Three Lectures on the Sacred Books of the 
Early Buddhists; on Thursdays, May 20, 27, and June 3. Half-a-Guinea. 
JAMES SULLY, Esq.— Three Ledtures on Art and Vision; on Saturdays, 
April 10, 17, 24. Half-a-Guinea. 
Professor HENRY MORLEY.— Five Ledtures on the Dramatists before 
Shakspeare, from the Origin of the English Drama to the Year of the Death 
of Marlowe (1593) *, on Saturdays, May 8 to June 5. Half-a-Guinea. 
Subscription {for Non-Members ) to all these Courses , Two Guineas. 
No Lecture on Saturday, May 1, the day of the Annual Meeting. 
The Friday Evening Meetings will be resumed on April gth, at 8 o’clock p.m. 
Professor Huxley will give a Discourse on “ The Coming of Age of the ‘Origin 
of Species,’ ” at 9 p.m. Succeeding Discourses will probably be given by M. 
Ernest Renan, Mr. Walter H. Pollock, Mr. W. Spottiswoode, Mr. G. J. 
Romanes, Lord Reay, Mr. H. H. Statham, Mr. Francis Hueffer, and another 
gentleman. 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 Ledtures, to the Friday 
Evening Meetings, and to the Library and Reading Rooms ; and their Families 
are admitted to the Ledtures at a reduced charge. Payment: First Year, Ten 
Guineas ; afterwards, Five Guineas a Year ; or a composition of Sixty Guineas. 
Members muy purchase not less than Three Single Lecture Tickets , available 
for any Ledture, for Half-a-Guinea. 
A CRITICISM 
OF 
DR. CROLL’S MOLECULAR THEORY OF 
GLACIER MOTION. 
By J. J. HARRIS TEALL, M.A., F.G.S., 
Late Fellow of St. John’s College, Cambridge ; University Ledturer on 
Physics at Nottingham. 
Price Sixpence. 
London: SIMPKIN, MARSHALL, and CO. Nottingham: JAMES BELL 
