No. 614. 



Decade VI.— Vol. II.— Ho. VIII. 



Price 2s. net. 



THE 



GEOLOGICAL MAGAZINE 



OK 



Jttonthln Journal of deologg. 



WITH WHICH IS INCORPORATED 



TIEUE G-EOLOGIST. 



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. 

 Sro THOMAS H. HOLLAND. K.C.I E., A.R.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. Geod. Soc. 



AUGUST, 1915. 



OOlTTElTTS. 



I. Original Articles. Page 



Skeleton of Myotragus balearicus, 

 Bate. ByC. W.Andrews, D.Sc, 

 F.R.S. (Plate XII.) 337 



Saturation in Petrography : A 

 Reply. By Professor S. J. 

 Shand, D.Sc, F.G.S. 339 



A New Oxfordian Plesiosaur. By 

 William R. Smellie, M.A., 

 B.Sc (With Text-figure.) ... 341 



Alpine, Lowland, and Jura Lakes. 

 By C. S. Du Riche Preller, 

 M.A., Ph.D., F.G.S., etc (With 

 4 Page-maps and Sections.) ... 343 



On the River Tyne Drainage Area. 

 Part II. By Edward Merrick, 

 M.Sc. (With 3 Text-figures.) ... 353 



The Bekinkinite, Renfrewshire. By 

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

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

 of Glasgow 361 



The Petrology of North-Western 

 Angola. By ARTHUR HOLMES, 

 B.Sc,A.R.C.S.,F.G.S.,F.R.G.S. 366 



371 

 374 

 375 

 376 



377 



II. Reviews. Page 



Kaolin, China-clay, etc, Museum 

 of Geology. By J. Allen Howe 



Tertiary Mollusca, New Zealand ... 



Tertiary Echinoids, California ... 



American Journal of Science 



Petroleum in Assam and Bengal. 

 ByE.H. Pascoe 



Brief Notices : Earthquakes in 

 Burma — Ferberite in Colorado — 

 American Geology — Potash in 

 Texas — Rhodesia Museum — 

 Anticosti Island — Leeds — Bea- 



. tricea — Jurassic Brachiopoda ... 377 



III. Reports and Proceedings. 

 Geological Society of London — 



June 23, 1915 380 



Mineralogical Society 382 



IV. Correspondence. 

 B. Hobson ... 383 



V. Miscellaneous. 



Geologists' Association Excursions 384 

 Geological Survev, South Africa ... 384 



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