No. 500. 



Decade V.— Vol. III.— No. II. 



Price Is. 6d. net. 



THE 



GEOLOGICAL MAGAZINE 



OR, 



cPtoutlttg Jauiiiuil of ©eolaflu, 



WITH WHICH IS INCORPORATED 



"THE GI^EOLOGhlST." 



EDITED BY 



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



ASSISTED BY 



WILFRID H. HUDLESTON, F.R.S., &c., Dr. GEORGE J. HINDE, F.R.S., &c., and 

 HORACE B. WOODWARD, F.R.S., &c. 



FEBRUARY, 1906. 



OOnSTTElSTTS. 



I. Original Articles. Tage 



Mastodon in the Pleistocene of South 

 Africa. By Prof. Dr. Richard 

 Beck, of Freiberg. ("With a Text- 

 Figure.) 49 



Fossil Corals from Eastern Egypt, Abu 

 JRoash, and Sinai. By Prof. J. W. 

 Gregory, D.Sc, F.R.S., Glasgow 

 University. (Plate VI.) 50 



Characters of the Hinge Plate in 

 Aviculopecten semicostatus. By 

 Wheelton Hind, M.D., B.S., 

 F.G.S. (With a Text-Figure.)... 



The Reptant Eleid Polyzoa. By 

 W.D.Lang,M.A.,F.Z.S., F.G.S. 

 (With 12 Text-Figs.) 



Machine-made Implements. By F. J. 

 Bennett, F.G.S 



Further Notes on the Trimmingham 

 Chalk, Norfolk. (Continued.) By 

 R. M, Brydone, F.G.S. (Plates 

 IV and V, with a Text-Figure.)... 



Radium and Radial Shrinkage of the 

 Earth. By T. Mellard Reade, 

 F.G.S., etc 



59 



60 



69 



72 



79 



II. Notices of Memoirs. 



Abstracts of Papers read in Section C, 

 British Association, South Africa — 



Phenomena of Granite Domes. By 

 Professor Grenville A. J. Cole 80 



Segregation of Sulphide Ores. By 

 Dr. A. P. Coleman 80 



81 



82 



85 



Notices of Memoirs (continued). Par/e 

 Geology of South Victoria liaud. By 



H. T. Ferrar, M.A 



Pernio - Carboniferous Glaciation, 



Transvaal. By E. T. Mellor , B . Sc. 

 Plutonic Rocks and Crystalline Schists, 



etc. By F. P. Mennell 84 



Baviaan's Kloof. ByE.H.L. Schwarz 84 



III. Reviews. 

 An Introduction to Geology. By J. E. 



Marr, Sc.D., F.R.S 



Memoirs of the Geological Survey — 



The Geology of Mid-Ai-gyU 86 



The Geology of Cork and Cork 



Harbour 87 



The Geological Survey of Canada — 

 Artesian Wells, etc., of Montreal... 88 



IV. Reports and Proceedings. 

 Geological Society of Loudon — ^- 



December 20th, 1905 89 



January 10th, 1906 91 



V. Correspondence. 



Mr. Alfred J. Jukes-Browne 9.3 



Mr. Clinton G. E. Dawkins 94 



VI. Obituary. 



Charles Tookey, F.I.C., F.C.S 95 



VII. Miscellaneous. 

 Retirement of Dr. B. N. Peach, 



F.R.S as. 



Corrigenda, etc ' 96 



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(^ The Volume for 1905 of the GEOLOGICAL MAGAZINE is ready, 

 price 208. net. Cloth Cases for Binding may be had, price Is. 6d. net. 



