1900-1.] 
Meetings of the Society. 
447 
3. Additional Note on the Ultra-Neptunian Planet whose Existence 
is indicated by its Action on Comets. By Professor George Forbes, 
F.R.S. pp. 370-374. 
Dr W. Brodie Brodie, Dr H. S. Carslaw, Mr Thomas W. 
Drinkwater, Prof. Sanjiban Ganguli, Dr David Waterston, 
and Mr James More, jun., were balloted for, and declared duly 
elected Fellows of the Society. 
TWELFTH ORDINARY MEETING. 
Monday , 20 th May 1901. 
Professor Geikie, LL.D., Vice-President, in the Chair. 
The following Communication was read ; — 
Ice-Erosion in the Cuillin Hills, Skye. By Alfred Harker, Esq., 
M.A., F.G.S., H.M. Geological Survey of Scotland. Communicated by 
John Horne, Esq., F.R.S. Trans ., vol. 40, pp. 221-252. 
THIRTEENTH ORDINARY MEETING. 
Monday , 3 rd June 1901. 
Dr David Hepburn in the Chair. 
Mr Archdall Reid, M.B., Mr F. Ii. A. Marshall, and Dr 
David Waterston were admitted Fellows of the Society. 
The following Communications were read : — 
1. Observations on Binary Fission in the Life-History of Ciliata. By 
Dr J. Y. Simpson, pp. 401-421. 
2. Apparatus for Measuring Strain and Applying Stress. By E. G. 
Coker, Esq., D.Sc. Communicated by Dr C. G. Knott. Trans., vol. 
40, pp. 263-294. 
3. On the Anatomy of a Collection of Slugs from N.W. Borneo. By 
Walter E. Collinge, Esq. Communicated by Prof. W. C. M‘Intosh. 
Trans., vol. 40, pp. 295-312. 
Dr Robert Jardine and Mr Edward Smart were balloted for, 
and declared duly elected Fellows of the Society. 
