Wo. 540. 



Decade V.— Vol. VI.— No. VI. 



Price Is. 6d. net. 



THE 



GEOLOGICAL MAGAZINE 



OR 



J-tontlili) Jcmrnal of dcologn. 



WITH WHICH IS INCORPORATKU 



OTiaiE G-EOLOC3-IST. 



EDITED BY 



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



ASSISTED By 



Da. GEORGE J. IIINDK, F.R.S., &c., am, HORACE B. WOODWARD, F.R.S., Ac 



JUNE, 1909. 



OOJ^TTEl^TS 



I. OllIGINAI, AUTICLES. 



Fagc 



Eminent Living Geologists : E. H. 

 TiiAQUAiK, M.D., LL.D., F.R.S. 

 (With Portrait, Plate IX.) 241 



Plagioclase Felspars. By E. B 

 Bailey, B.A., & G. W. Grabham, 

 M.A. (Plates X and XI.) 250 



The Bovey Deposits. By A. J. Jukes- 

 Browne, B.A., F.G.S. (With a 

 Text-figure.) 257 



Wells of the North -Eastern Sudan. 

 By G. W. Grabham, M.A. , F.G.S. 

 Parti. (With Map.) 265 



The Loop of Bielasma. By D. M S. 

 Watson,B.Sc., Victoria University, 

 Manchester. (With seven Text- 

 "gures.) 279 



II. Notices of Memoirs. Page 

 Palseozoic Eocks of Sweden. By 

 J. C. Moberg _ 273 



III. Eeviews. 

 Eock Salt. By G. D. Harris, etc. ... 279 

 The Eruption of Vesuvius, 1906. By 



H. J. Johnston-Lavis. M.D. ... 281 

 International Geological Congress! 



1910 ! ..: 281 



IV. Eeports and Proceedings. 

 Geological Society of London — 



Ajiril 7, 1909 



April 28 ' 



V. Courespondence. 

 Dr. John W. Evans, F.G.S. . 

 Mr. E. M. Deeley, F.G.S 



LONDON: DULAU & CO., 37, SOHO 



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