No. 613. 



Decade VI.— Vol. II.— No. VII. 



Price 2s. net. 



THE 



GEOLOGICAL MAGAZINE 



OR 



fHonthlij Journal of deologn. 



WITH WHICH IS IKCORPOBATED 



THE GBOLOG-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.R C.S., D.Sc, F.R.S 

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

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

 Professor W. W. WATTS, Sc.D., M.Sc, F.R.S., Vice-Pr 

 Dr. ARTHUR SMITH WOODWARD, F.R.S., F.L.S., P 



F.G.S. 



F.G.S. 



..F.G.S. 



1 Geol. Soc. 





Geol.. Soc. 



JULY, 1915. 



GOISTTEWTS 



I. Original Articles. Page 



The Geological Age of Carrara 

 Marbles. By Professor T. G. 

 Bonney, Sc.D., F.R.S., and the 

 Bev. H. H. Winwood, M.A., 

 F.G.S. (With a Diagram Section.) .289 



On the River Tyne Drainage Area. 

 Part I. By Edward Merrick, 

 M.Sc. (With 8 Text-figures.) ... 294 



The Bekinkinite, Renfrewshire. By 

 G. W. Tyrrell, A.R.C.Sc, 

 F.G.S., etc., of the University 

 of Glasgow 304 



On a Marine Band in Middle Coal- 

 measures, S. Lancashire. By 

 R.L.Sherlock,D.Sc.,A.R.C.S., 

 F.G.S 311 



Relation of the Coal-measures to 

 the Lower Carboniferous Rocks 

 in Clapton-Clevedon, Somerset- 

 shire. By Frank Dixey, B.Sc, 

 F.G.S. (With a Page-map.) ... 312 



Studies in Edrioasteroidea. By 

 F. A. Bather, M.A., D.Sc, 

 F.R.S 316 



The Petrology of North-Western 

 Angola. By Arthur Holmes, 

 B.Sc, A.R. C.S.,F.G.S.,F.R.G.S. 



II. Notices of Memoirs. Page 



Age of Lower Tertiary Marine 

 Rocks of Australia. By R. Bullen 

 Newton, F.G.S 328 



III. Reviews. 



The Geology of Beauly and In- 

 verness. By J. Home, F.R.S., 

 L. W. Hinxman, B.A., and 

 others 330 



Dr. G. P. Iddings: The Problem 

 of Volcanism 331 



IV. Reports and Proceedings. 



Geological Society of London — 



June 9, 1915 334 



Zoological Society of London — 



April 13, 1915 335 



May 11 335 



V. Correspondence. 

 R. H. Rastall, M.A. ... " 336 



VI. Miscellaneous. 



F- W. Millett 



iddenda 



336 

 336 



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The Volume for 1914 of the GEOLOGICAL MAGAZINE is ready, 

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