1888-89.] 
Meetings of the Society. 
809 
Monday , \4th January 1889. 
Sir William Thomson, President, in the Chair. 
The following Communications were read : — 
1. On certain Bodies, apparently of Organic Origin, from a Quartzite 
Bed near Inveraray. By his Grace The Duke of Argyll, K.G., K.T. 
Specimens were exhibited. P. xvi. 39. 
2. On the Deformation of Bocks by Mechanical Movements. By 
Archibald Geikie, Esq., LL.D., Director-General of the Geological 
Survey. 
Monday , 21 st January 18§9. 
Professor Sir Douglas Maclagan, M.D., Vice-President, 
in the Chair. 
The following Communications were read : — 
1. The History and Theory of Heredity. By J. Arthur Thomson, 
Esq., M.A. P. xvi. 91. 
2. Note on the Transformation of Ciliated into Stratified Squamous 
Epithelium, as a result of the application of Friction. By John Berry 
Haycraft, Esq., M.D., D.Sc., and E. W. Carlier, Esq., M.B., B.Sc. 
Accompanied by a Demonstration. P. xvi. 119 (Abstract). 
3. On the Virial Equation. By Professor Tait. P. xvi. 65 (Abstract). 
4. A remarkable Fog-Bow seen from Ben Nevis on 4th December 
1888. By K. T. Omond, Esq. 
5. A new Type of Dimorphism found in certain Antipatharia. By 
George Brook, Esq., F.L.S. P. xvi. 78. 
6. A Method of Demonstrating the presence of Uric Acid in the 
Contractile Vacuoles of some Lower Organisms. By Dr A. B. 
Griffiths, F.C.S. P. xvi. 131. 
Monday , 4 th February 1889. 
The Rev. Professor Flint, D.D., Vice-President, in the Chair. 
The following Communications were read : — 
1. On Strophanthus hispidus : its Natural History, Chemistry, and 
Pharmacology. Part I. By Professor Thomas B. Fraser, M.D., F.B.S., 
P. xvi. 73 (Abstract); T. xxxv. 
2. On Improvements in the Apparatus for Counting the Dust Particles 
in the Atmosphere. By John Aitken, Esq., F.B.S. P. xvi. 135. 
3. The Electrotonic Variation with strong Polarizing Currents. By 
