part 2] PEOCEEDINGS OF THE GEOLOGICAL SOCIETY. xciii 



February 23rcl, 1921. 



Mr. R. D. Oldham, F.R.S., President, 

 in the Chair. 



James McCormick, M.Inst. Mech.E., Chief Inspector of Mate- 

 rials, etc., ISTorth-Eastern Railway Dock-Office, Hull, was elected a 

 Fellow of the Society. 



The List of Donations to the Library was read. 

 The following communications were read : — 



1. ' On Saccammina carteri Brady, and the Minute Structure 

 of the Foraminiferal Shell.' By Prof. William Johnson Sollas, 

 M.A., Sc.D., LL.D., F.R.S., F.O.S. 



2. ' Notes on the Views of the late Prof, Charles Lapworth with 

 regard to Spiral Movements in Pocks during Elevation or Depres- 

 sion.' By Dr. Theodore Stacey Wilson, B.Sc, F.G.S. 



Lantern-slides and microscope-slides were exhibited by Prof. 

 W. J. Sollas, in illustration of his paper ; and diagrams and 

 models by Dr. T. Stacey Wilson, in illustration of his paper. 



Impressions of moth-wings on stalagmite, from a cave at Bur- 

 rington Combe (Somerset), were exhibited by Cecil Carus- Wilson, 

 F.P.S.E., F.G.S. 



March 9th, 1921. 



Mr. R. D. Oldham, F.R.S., President, 

 in the Chair. 



Ralph Walter Segnit, B.A., BalUol College, Oxford ; Frederick 

 Murray Trotter, B.Sc, Beehive Inn, Seghill (Northumberland) ; 

 and Thomas Warde Whitfield, Fern Bank, The Avenue, Trowbridge 

 (Wiltshire), were elected Fellows of the Society. 



The List of Donations to the Library was read. 

 The following communications were read : — 



1. ' The Surface of the Marls of the Middle Chalk in the Somme 

 Valley and the Neighbouring Districts of Northern France, and the 

 Effect on the Hydrology.' By William Bernard Robinson King, 

 O.B.E., M.A., F.a.S. 



2. ' The Bala Countrv : its Structure and Rock- Succession.' By 

 Miss Gertrude Lilian Elles, M.B.E., D.Sc, F.G.S. 



Specimens of fossils were exhibited in- illustration of Miss G. L. 

 Elles's paper. 



yOL. LXXVII. li 



