part 2] PROCEEDINGS OF THE GEOLOGICAL SOCIETY. XCV 



May 4th, 1921. 



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

 in the Chair. 



The List of Donations to the Library was read. 



The following communications were read : — 



1. ' An Ottolcaria-Wke Plant from South Africa.' B}'' Hugh 

 Hamshaw Thomas, M.B.E., M.A., F.a.S. 



2. ' On N^ummulospermum, gen. nov., the probable Mega- 

 sporangium of Glossopferis.'' By A. B. Walkom, D.Sc. (Com- 

 municated by Prof. A. C. Seward, Sc.D., F.R.S., F.O.S.) 



3. ' The Evolution of Certain Liassic Gastropods, with special 

 reference to their Use in Stratigraphy.' By Miss Agnes Irene 

 McDonald, B.Sc, and Arthur Elijah Trueman, D.Sc, F.G.S. 



May 25th, 1921. 



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

 in the Chair. 



Thomas Henderson, M.C., Flight-Lieut. R.A.F., 15 Syon 

 Street, Tynemouth (Northumberland) ; Michael Anthony Hogan, 

 B.E., M.Sc, City & Guilds (Engineering) College, South Ken- 

 sington, S.W. 7 ; Thomas Brynmawr Jones, Dervvydd, Brynmawr 

 (Breconshire) ; William John Pugh, Professor of Geology in the 

 University College of Wales, Aberystwyth ; Lancelot Elce Wilson, 

 c/o Mrs. Porter, St. Mary's, Ely (Cambridgeshire) ; and Eobert 

 Ealph Williams, The Moorlands, Trealaw, Ehondda (Glamorgan), 

 were elected Fellows of the Societj'-. 



The List of Donations to the Library was read. 



The following commnnication was read : — 



' On the Junction of Gault and Lower Greensand near Leighton 

 Buzzard (Bedfordshire).' By George William Lamplugh, F.E.S., 

 V.P.G.S. 



Specimens and diagrams were exhibited by Mr. Lamplugh, in 

 illustration of his paper. 



