THE N H 



GEOLOGICAL MAGAZINE 



OR 



Pontliln Ijournat o)f (Seolocjn, 



WITH WHICH IS INCORrOItATKl) 



TIIK G^EOLOG-IST. 



NOS. DCXLIII TO DCI.IV. 



KDITKll BY 



HENRY WOODWAIU), LL.l)., F.E.S., F.G.S., F.ll.M.S. 



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

 TALTEONTOGUAVHICAL SOCIETY ; ETC. 



ASSIS1KI-) HY 



PxioFEssoR J. W. GREGORY, D.Sc, E.R.S., F.G.S. 



SiK T. H. HOLLAT^D, K.C.S.I., K.C.I.E., D.Sc, F.ll.S., F.G.S. 



PiioFESsoR J. E. MARE, M.A., Sc.D. (Camb.), F.R.S., F.G.S. 



Sir JETHRO TEALL, M.A., Sc.D. (Camb.), LL.D., F.E.S., V.P.G.S. 



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



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



F.G.S. 



JANUARY— DECEMBER, 1918. 



LONDON: 

 DULAU & CO., LTD., 37 SOHO SQUARE,' W. I. ^^^^ 

 1918. 



