/ ■■.; 



No. 542. 



Decade V.— Vol. VI.— No. VIII. 



Price Is. 6d. net. 



THE 



GEOLOGICAL MAGAZINE 



Jttonthlj) Journal of ©eologg. 



■WITH WHICH IS INCORPORATED 



THE G-EOLOGS-IST. 



EDITED BY 



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



ASSISTED BT 



Dr. GEORGE J. HINDE, F.R.S.. Ac, and HORACE B. WOODWARD, F.R.S., &c. 



AUGUST, 1909. 



COnSTTEHSTTS 



I. Original Articles. 



Tage 



New Chalk Polyzoa. By R. M. 

 Brydone, F.G.S. (Plate XIV.) 337 



Structure and Physiography ot the 

 Tarntal Mass. By A. P. Young, 

 Ph.D.,F.G.S. (Plates XV-XVIII, 

 with Diagram and Map.) 



Mandible of New Species of Tetra- 

 belodon. By C. W. Andrews, 

 F.R.S. (With three Text-figures.; 



On Rhodesian Laterite. By F. P. 

 Mennell, F.G.S. (With Section.) 350 



Fossils from the Nubian Sandstone, 

 Egypt. By R. B. Newton, F.G.S. 

 (With Map, Plate XIX.) 



Petrology of Intrusions of Kilsyth - 

 Croy District. By G. W. Tyrrell, 

 A.R.C.Sc, Glasgow University. 

 (Concluded from the July Number. 



Rhaetic Section atWigston, Leicester- 

 shire. By L. Richardson, 

 F.R.S.E.,etc 



The Flow of Antarctic Ice. By 

 R. M. Deeley, F.G.S. 



339 



347 



352 



359 



366 



370 



II. Reviews. 



Page 



Summary of Progress, Geological 

 Survey of Great Britain 373 



Carboniferous Limestone, Cracow. 

 By J. Jarosz 375 



Darwin Centennial Commemoration . 375 



III. Reports and Proceedings. 



Mineralogical Society, June 16, 1909 377 



Geological Society, June 16 378 



Royal Society, June 24 382 



IV. Correspondence. 



Mr. B. Hobson 383 



■ V. Miscellaneous. 



Royal Society Exhibits— Dr. A. S. 



Woodward, F.R.S. , and Dr. F. A. 



Bather, F.R.S. . . ^^^,— rrr— rr,-^* 

 New Museum, Louttv<l3©(^^^/,-j^& 



^6: 



LONDON : DULAU & CO., 



Ltd., 37, SOlfO'^QUAEE, W. ^i 



AUG T3-"-^^ 



^" The Volume for 1908 of the GEOLOGICAL MAGAZINE is t^\ 

 ■t\r\oP 2ns. n At. Cloth Cases for Binding: may be had, price ls.6d.net. 



