No. 578, 



Decade V.— Vol. IX.— No. VIII. 



Price 2s. net. 



THE 



GEOLOGICAL MAGAZINE 



^ttoTtthlg JaiintEl of ^eologij. 



■WITH WHICH IS INCORPORATKU 



THE G-EOLOG-IST. 



EDITED BY 



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



ASSISTED BY 



Professor J. W. GREGORY,^D.Sc., F.il.S., F.G.S. 



Br. GEOllGE J. HINDE, F.K.S., F.G.S. 



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



Professor W. W. WATTS, Sc.D., M.Sc, F.E..S., Vice-Pres. Geol. See. 



Dr. ARTHUR SMITH WOODWARD, F.R.S., F.L.S., Sec. Geol. Soc".^ 



HORACE B. WOODWARD, F.R.S., F.G.S. 



AUGUST, 1912. 



OOnSTTElD^TTS 



AUli 



^/ 



'{onal IViusev^: 



I. Original Articles. Page 



Eminent Living Geologists : Prof. 

 John Milne, D.Sc, F.E.S. (With 

 a Portrait, Plate XVII.) 337 



Sedgwick Museum Notes : On the 

 Genus Trinucleus. By F. E. 

 CowPER Eeed, M.A., F.G.S. 

 (Parti.) (Plate XVIII.) 346 



The Cirripede ' Brachylepas cre- 

 tacea ', H. Woodw. By Thomas 

 H. Withers, F.G.S. (Part II.) 

 (Plate XX and four Text-figures.) 353 



Eecognition of Two Stages in the 

 Upper Chalk. By A. J. Jukes- 

 Browne.P.E.S., F.G.S. (Partll.) 360 



Note on the Chalk Eoek in North 

 Kent. By G. E. Dibley, F.G.S. 372 



II. Keviews. 



Summary of Progress of the Geo- 

 logical Survey of Great Britain . 374 



Professor CD. Walcott's Cambrian 

 Geology and Paleontology ... 376 



Dr. Charles Davison's Origin of 

 Earthquakes 377 



Eeviews (continued). Page 



Professor Grenville A. J. Cole's 



Eocks and their Origins 378 



Professor Frank Adams and L. V. 



King: Geology and Physics ... 379 

 H. Eies & Joseph Keele : The Clay 



and Shale Deposits of Nova Scotia 



and New Brunswick •. 379 



Dr. G. F. Matthew: Climatic Zones 



in Devonian Time 380 



Proceedings of United States 



National Museum 380 



Professor E. Weinschenk's Petro- 



graphic Methods 381 



Professor J. W. Gregory : On the 



Flowing Wells of Central Australia 382 

 G. W. Lamplugh : On the Glacial 



Phenomena of Spitzbergen ... 382 

 Dr. D. H. Scott : On Zygopteris 



Grayi ' 382 



III. Eeports and Proceedings. 



Eoyal Society, June 27, 1912 : Prof. 



A. C. Seward on Willianisonia . 383 

 Mineralogical Society, June 18, 1912 384 



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1^ The Volume for 1911 of the GEOLOGICAL MAGAZINE is ready, 

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