part 1] PROCEEDINGS OE THE GEOLOGICAL SOCIETX. CI 



May 21st, 1919. 



Mr. G. W. Lamplugh, F.R.S., President, 

 in the Chair. 



Margaret Chorley Crosfield, Undercroft, Keigate (Surrey) ; 

 Frank Debenham. B.A., B.Sc., 48 Lenstield Road, Cambridge ; 

 Gertrude Lilian Elles, D.Sc, Newnham College, Cambridge ; 

 Percy Evans, B.A., Burmah Oil Company, Postbox -459, Calcutta ; 

 Maria Matilda Ogilvie Gordon, D.Sc, 1 Rubislaw Terrace, Aber- 

 deen; Mary Sophia Johnston, 90 Wimbledon Hill, S.W.19; Cyril 

 Ewart Leese, B.Sc, Grammar School, Camelford (Cornwall) ; 

 M. Jane Longstaif (jiee Donald), E.L.S., Highlands, Putney 

 Heath, S.W. 15 ; Alexander Halley Low, M.A., 9 Holland Park, 

 W. 11 ; Alexander Miers Macgregor, B.A., Stamford Brook House, 

 Hammersmith, W. 6 ; William Angus Mclntyre, Lieut. 11. E., 

 B.Sc, Assoc. R.C.Sc, 18 Leinster Avenue, East Sheen, S.W. 14 ; 

 Rachel Workman, Lady McRobert, B.Sc, Colney Park, Radlett 

 (Hertfordshire) ; Mildred Blanche Robinson, B.Sc, 5 Gledhow 

 Gardens, S.W. 5 ; and Ethel Gertrude Woods (nee Skeat). D.Sc, 

 5 Barton Road, Cambridge, were elected Fellows of the Societ}-. 



The List of Donations to the Library was read. 



The following communications were read : — - 



1. '' The Silurian Rocks of May Hill.' By Charles Irving 

 Gardiner, M.A., F.G.S. With an Appendix by Frederick Richard 

 Cowper Reed, Sc.D., F.G.S. 



2. ' The Petrography of the Millstone Grit Series of Yorkshir 

 By Albert Gilligan, D.Sc, F.G.S. 



Rock-specimens and fossils from May Hill were exhibited by 

 Mr. C. 1. Gardiner in illustration of his paper ; pebbles from 

 various rock-formations with microscope-sections were exhibited 

 by Dr. A Gilligan in illustration of his paper ; and specimens of 

 labradorite from Labrador were exhibited by Mr. James Francis, 

 F.G.S. 



June 4th, 1919. 



Mr. G. W. Lampltjgh, F.R.S., President, 

 in the Chair. 



The List of Donations to the Library was read. 



The following communications were read : — ■ 



1. 'On the Dentition of the Petalodont Shark, Cliniaxodus.'' 

 By Arthur Smith Woodward, LL.D., F.R.S., Pres.L.S., F.G.S. 



