TABLE OF CONTENTS. 
PAGE 
The Lower Permian at Ashfield Brick and Tile Works, Conisborough . 
By Albert Gilligan. M.Sc., B.Sc., F.G.S 289 
Appendix : Chemical Composition of the Beds. By M. Odling, M.A., 
B.Sc, F.G.S 296 
Martin Simpson and his Geological Memoirs. By T. Sheppard, M.Sc.,. 
F.G.S 298 
In Memoriam : — 
Henry Culpin. By Walcot Gibson, D.Sc 317 
William Cash. By P. F. Kendall, M.Sc. F.G.S. . . . . 319 
Benjamin Holgate. F.G.S. By E. Hawkesworth . . . . 322 
William Simpson, F.G.S. By F. W. Branson, F.C.S., F.I.C. . . 324 
John Wesley Judd, C.B., LLD., F.R.S., F.G.S. By Grenville 
A. J. Cole, F.G.S., M.R.I.A 327 
Bibliography of Yorkshire Geology, 1916-1917. By T. Sheppard, 
M.Sc, F.G.S 330 
On the Supposed Raised Beach at Saltburn. By G. W. Lamplugh, 
F.R.S 345 
On the Fossil Flora of the Southern Portion of the Yorkshire Coalfield, 
Part II., Derbyshire. By the late E. A. Newell Arber, M.A., 
ScD., F.G.S 350 
On some Carboniferous Ammonoids new to English Rocks. By the 
late Lt. -Col. Wheelton Hind, T.D., M.D., F.R.C.S., F.G.S. .. 359 
Bibliography of Yorkshire Geology, 1918-19. By T. Sheppard, 
M.Sc, F.G.S 363 
List of Members 377 
On Differential Earth Movement in North-East Yorkshire during the 
Jurassic Period. Presidential Address by G. W. Lamplugh, F.R.S. 383 
On a Peculiar Displacement in the Millepore Oolite near South Cave. 
By J. W. Stather, F.G.S 395 
Some Observations on the Glacial Geology of Furness. By George 
Grace, B.Sc, A.R.C.Sc, and Frederick Howard Smith, B.Sc. . . 401 
In Memoriam : — 
Clement Reid, F.R.S., F.L.S., F.G.S. By T. S 420 
The Rev. W. Lower Carter, M.A., F.G.S. By G. B. and D. F.. . 423 
John Henry Howarth, F.G.S. By P. F. K. and H. E. W. . . 425 
Bibliography of Yorkshire Geology. 1920-1921. By T. Sheppard, 
M.Sc, F.G.S 428 
Hon. Treasurer's Financial Statement. 1920 . . . . . . . . 443 
Ditto ditto 1921 444 
List of Members . . . . . . . . . . . . . . . . 445 
