1897 - 98 .] 
Meetings of the Society. 
709 
2. On Thelodus Pagei (Powrie) from the Old Red Sandstone of Forfar- 
shire. By the Same. Trans., xxxix. pp. 595-602. 
3. Report on Fossil Fishes collected by the Geological Survey of Scot- 
land in the Upper Silurian Rocks of the Lesmahagow District. By the 
Same. Trans., xxxix. pp. 827-864. 
4. On the effect of Mixed Diet as regards Salivary Digestion. By Dr 
W. Aitchison Robertson, pp. 209-211. 
Mr John Findlay was balloted for, and declared duly elected a 
Fellow of the Society. 
FIFTEENTH ORDINARY MEETING. 
Monday, 18 th July 1898. 
The Hon. Lord McLaren, Vice-President, in the Chair. 
The following Communications were read : — 
1. The Electrolysis of Ethyl Potassium Diethoxysuccinate. By Pro- 
fessor Crum Brown and Dr H. W. Bolam. pp. 255-257. 
2. The Freezing Point of Aqueous Solutions of Sodium Mellitate. 
(Preliminary Note.) By W. W. Taylor, M.A. Communicated by Pro- 
fessor Crum Brown, pp. 252-254. 
3. On the Survey by the s.s. “ Britannia ” of the Cable Route between 
Bermuda, Turk’s Islands, and Jamaica. By R. E. Peake, M.Inst.C.E. 
With Descriptions by Sir John Murray, K.C.B., F.R.S., of the Marine 
Deposits brought home. Communicated by Sir John Murray, pp. 
409-429. 
4. Notes upon some of the Deposits collected by the German ship 
“ Gazelle” in 1874 and 1875. By Sir John Murray, K.C.B., F.R.S. 
5. Notes on Coral Reefs at Port Louis and Grand Port, Mauritius. By 
William Shield, M.Inst.C.E. 
6. Note on finding the log. sines and log. tangents of Small Arcs, etc. 
By Dr James Burgess, pp. 265-269. 
7. Generalisation of Josephus’ Problem. By Professor Tait. pp. 
165-168. 
8. On the Compressibility of Sugar Solutions. By the Same. pp. 
359-360. 
The Chairman closed the Session with the following remarks : — 
In the Review of the Session which I have been called upon to 
give, I shall confine my survey to statistics and a few general 
remarks. 
I find that during the Session now brought to a close, 67 papers 
were read. Of these 16 belonged to the department of Physics, 
6 to that of Mathematics, 1 to Astronomy, 6 to Chemistry, 2 to 
