No. 615. 



Decade VI.— Vol. II.— No. IX. 



Price 2s. net. 



THE 



GEOLOGICAL MAGAZINE 



OR 



JHontliln Journal of (ieoloqn. 



WITH WHICH IS INCORPORATED 



THE G-BOLOG-IST. 



EDITED BY 



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



ASSISTED BY 



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

 Dr. GEORGE J. HINDE, F R.S., F.G.S. 

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

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

 Dr. J. J. H. TEALL, M.A., Sc.D. (Camb.), LL.D., F.R.S., F.G.S. 

 Professor W. W. WATTS, Sc.D., M.Sc, F.R.S., Vice-Pres. Geol. Soc. 

 Dr. ARTHUR SMITH WOODWARD, F.R.S., F.L.S., Pres. Geo' ' 



DL. £ 



SEPTEMBER, 1915. 



CONTENTS. 



10 1! 



^ a « 



I. Original Articles. Page 



The Silurian Inlier near Cardiff. 

 By F. J. North, B.Sc, F.G.S., 

 National Museum of Wales. 

 (Plate XIII.) 385 



Recent and Tertiary Rhynchonellids. 

 By Dr. J. Allan Thomson, 

 M.A., F.G.S. (With 2 Text- 

 figures.) 3S7 



Studies in Edrioasteroidea. By 

 Dr. F. A. Bather, M.A., F.R.S. 

 (With 4 Text-figures.) 393 



The Moraines and Lake Basins of 

 Northern Italy. By Dr. C. S. 

 Du Riche Preller, M.A., 

 F.G.S., F.R.S.E. (With 2 Page- 

 illustrations.) 403 



Evidence as to the Geological 

 Structure of Cumberland on the 

 Solway. By T. V. Holmes, 

 F.G.S., etc., etc. (With Map, 

 Plate XIV.) 410 



The Ice Age in England. By 

 Dr. Nils Olof Holst (late of 

 the Geological Survey of Sweden) 418 



II. Notices of Memoirs. Page 



Opalized Shells from New South 

 Wales. By R. Bullen Newton, 

 F.G.S 425 



III. Reviews. 



Professor Schuchert's Revision of 



\ Paleozoic Stelleroidea 425 



-Some Mineral Oil Regions : Petro- 

 leum in Papua — Oil-field of 

 Wyoming — Oil-fields, Kentucky 

 — Oil in Washington State and 

 in Colorado — Oil Areas in South 



Australia ... 427 



Dr. W. H. Dall's Oligocene Mollusca 



of Florida 428 



Brief Notices : Fossil Alan and 

 Implements in England — South 

 African Aluseum — Extinct 

 Marsupial in N. America — Report 

 of Director Geological Survey of 

 S. Rhodesia, of W. Australia, of 

 Ireland, of S. Australia — Geology 

 of the Appleby District — British 

 Aluseum Library Catalogue ... 429 



IV. AIlSCELLANEOUS. 

 The Royal Society of Canada ... 432 



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