646. 



Decade VI.— Vol. V.— No. IV. 



Price 2s. net. 



THE 



GEOLOGICAL MAGAZINE 



4fHonthlii Jounral of (Seologij, 



WITH WHICH IS INCORPORATED 



TliEl G-EOLOC3-IST. 



EDITED BT 



HENRY WOODWARD. LL.D.. F.R.S., F.G.S., &.c. 



ASSISTED BV 



Pkofi':ssoii J. W. GREGORY, D.Sc, F.R.S., F.G.S. 

 Sir THOMAS H. HOLLAND, K.C.I E., A.R.C.S., D.Sc, F.R.S., Vice-Pres. G.S. 

 Dr. JOHN EDWARD MARR, M.A., Sc.D. (Camb.), F.R.S.. F.G.S. 

 Sir JETHRO J. H. TEALL, M.A'., Sc.D. (Camb.), LD.D., P.R.S., F.G.S. 

 Professor W. W. WATTS, Sc.D. (Game.), M.Sc. F.R.S., F.G.S. 

 Dr. ARTHUR SMITH WOODWARD, F.R.S., F.L.S., Vice-Pres. Geoi,. Soc. 



APRIL, 1918. 



OO^^TEinSTTS. 



Page 

 George Jennings Hinde, Ph.D., 

 F.K.S., F.G.S., V. P. Pal. Soc, 

 died March 18, 1918 145 



I. OlUGINAI, AKTICLFS. 



Origin of Land-forms in Caernarvon- 

 shire, North Wales. By Henry 

 Dewey, F.G.S. (Plate VII and 

 two Text-figures.) 14-5 



Origin of Clays and Boulder-clays, 

 Federated Malay States. By 

 Lieutenant J. B. SCRIVENOR, 

 M.A., F.G.S 157 



Pelecypod Shell-fragments described 

 asCirripede.s. ByT. H. Withers, 

 F.G.S. (With a Text-figure.)... 168 



II. Notices of Memoirs. 

 Prehistoric Drawings in Spanish 

 Caves. By Eduardo Hernandez- 

 Pacheco. (With a Text-figure.) 173 



III. liEVIEWS. 



Geological Survey of the South 

 Wales Coalfield. By Dr. A. 

 Strahan, F.E.S., and others ... 174 



Keviews [continued). Pcige 

 Geology of N.E. llajputana. By 



A. M. Heron .' 175 



Iron-ores of Canada. By E. 



Lindeman and L. L. Bolton 176 



■ Great Australian Artesian Basin. 



ByA. L. duToit 177 



Mining Operations in S. Australia. 178 

 Test of tlie Subsidence Theory of 



Coral Beefs. By E. A. Daly ... 178 

 New Fossil Corals, Pacific Coast. 



By Jorgen 0. Nomland 179 



IV. Eepoets AND Proceedings. 



Geological Society of London — 



Annual General Meeting, Feb. 15 179 

 March 6 .' 187 



Edinburgh Geological Society 188 



V. Obituary. 

 Captain Lewis Moysey, E.A.M.C., 

 B.A., M.B., F.G.S 189 



VI. Correspondence. 



Dr. E. L. Sherlock, F.G.S 192 



E. M. Anderson, M.A., F.G.S. ... 192 



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