1890-91.] 
Meetings of the Society . 
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oho 
2. Synthesis of Dibasic Acids by means of Electrolysis. Alkyl 
Derivatives of Succinic Acid. By Professor Crum Brown and Dr 
James Walker. P. xviii. 95 {Abstract). 
3. On the Yirial Equation, with special reference to Carbonic Acid. 
By Professor Tait. 
The following Candidates for Fellowship were balloted for, and 
declared duly elected Fellows of the Society : — 
John Hardie Wilson, D.Sc. 
John Macallan, F.I.C. 
Monday , 4 th May 1891. 
Sir Douglas Maclagan, M.D., President, in the Chair. 
The following Communications were read: — 
1. A Comparison of the Minute Structure of Plant Hybrids with that 
of their Parents, and its bearing on Biological Problems. (Illustrated by 
three Parallel Lantern Demonstrations.) By J. M. Macfarlane, D.Sc. 
2. On a Method of Observing and Counting the Number of Water 
Particles in a Fog. (Preliminary Note.) By John Aitken, F.B.S. P. 
xviii. 259. 
The following Candidates for Fellowship were balloted for, and 
declared duly elected Fellows of the Society : — 
Kichard D. Graham. 
T. Wemyss Fulton, M.B. 
Monday, 18 th May 189L 
The Hon. Lord McLaren, LL.D., Yice-President, in the Chair. 
The following Communications were read : — - 
1. The barometer at the Ben Nevis Observatory, in relation to the 
Direction and Force of the Wind. By Alexander Buchan, LL.D. 
2. An Account of some Experiments which show — (I.) That the 
Displacements of the Heart, which since Harvey’s time are supposed to 
take place with every Contraction, do not really occur in the unopened 
Chest. (II.) That the Cardiogram has been misinterpreted by Physio- 
logists. By John Berry Haycraet, M.D., D.Sc. 
3. The Clyde Sea Area : — Part I. Physical Geography. Part II. 
Salinity and Chemical Composition. By Hugh Kobert Mill, D.Sc. 
T. xxxvi. 
