if"' 



THE 



GEOLOGICAL MAGAZINE 



pontltln Journal of §nh$%. 



WITH WHICH IS INCORPORATED 



THE GEOLOGIST. 



NOS. DCLV TO DCI.XVI. 



EDITED BY 



HENRY WOODWARD, LL.D., F.R.S., F.G.S., F.R.M.S. 



LATE OF THE URITISH MUSEUM OF NATURAL HISTORY ; PRESIDENT OF THE 

 PALiEONTOGRAPHICAL SOCIETY ; ETC. 



AND 



11. H. RASTALL, M.A. 



ASSISTED BY 



Professor J. W. GREGORY, D.Sc, F.R.S., F.G.S. 



F. H. HATCH, Ph.D., M.Lnst.M.M. 



Professor J. E. MARR, Sc.D. (Carab.), F.R.S., F.G.S. 



Sir JETHRO TEALL, Sc.D. (Carab.), LL.D., F.R.S., V.P.G.S. 



Professor W. W. WATTS, Sc.D., LL.D., M.Sc, F.R.S., F.G.S. 



HENRY WOODS, M.A., F.R.S. 

 Dk. ARTHUR SMITH WOODWARD, LL.D., F.R.S., F.L.S., 



F.G.S. 



NEW SEEIES. DECADE VI. 'VOL. VI. 



VOL. LVI OF WHOLE SERIES. , s< ,. >v 



JANUARY— DECEMBER, 1919. „ , 



LONDON: ^*tenal 



DTJLAU & CO., LTD., 34-36 MARGARET STREET, 

 CAVENDISH SQUARE, W. 1. 



1919. 



