IS 



Xo. 421. New Series.— Decade IV.— Vol. VL— No.VII. Price Is. 6d. nett. 



THE 



OCT 1 1900 



GEOLOGICAL MAGAZINE 



outMg Jaininal of (®eolajgi|. 



WITH WHICH IS INCORPORATED 



"TME G^EOLOG^IST." 



EDITED KY 



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



ASSISTED BY 



ROBERT ETHERIDGE, F.R.S. L. & E., F.G.S., &c., 



WILFRID H. HUDLESTON, M.A., F.R.S. , F.L.S., F.G.S., Soc.., 



GEORGE J. HINDE, Ph.D., F.R.S., F.G.S., &,c., and 



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



JULY, 1899. 



OOIsTTEItTTS, 



I, Original Articles. page 



1. ISTote on tlie Molar of a Tri- 

 lophodont Mastodon from tlie 

 Base of the Suffolk Crag. By 

 Prof. E. Eay Lanicester, M. A. , 

 LL.D., F.E.S., Director of the 

 British Museum (Natural His- 

 tory). (Plate XL) 289 



2. The Glaucophane Gabhro of 

 Pegli, North Italy. By John 

 Parkinson, F.G.S. (Plate 

 XII.) 292 



3 . British Cretaceous Madreporaria, 

 with Descriptions of two New 

 Species. By Robert F. Tomes, 

 F.G.S. (Plate XIII.) 298 



4. Glaciated Valleys in the Faroes. 

 By J. LoMAS, F.G.S 



308 



11. 



Notices op Memoirs. 



The Parent-rock of the Diamond 

 in South Africa. By Professor 

 T. G. Bonney, D.Sc, LL.D., 



V.P.E.S. 



III. EeA'IEWS. PAGE 



1. Hutton's Theory of the Earth. 

 Vol. III. Edited by Sir- A. 

 Geikie, D.C.L., F.R.S 321 



2. Annual Report of the Commis- 

 sion on the Geology of the Cape 



of Good Hope 323 



3. Memoirs of the Geological Sur- 

 vey. "Water Supply of Sussex 325 



4. Dr. Sierairadzki on the o^enus 



Pel isphinctes 325 



IV. Reports and Proceedings. 



Geological Society of London — 



1. May 10, 1899 326 



2. May 24, 1899 329 



3. June 7, 1899 332 



V. CORKESPONDENCE. 



1. Prof. E. Hull, LL.D., F.R.S. 335 



2. Mr. W. T. Aveliue, F.G.S. .. 335 



3. Lieut. -Gen. C. A. McMahon, 

 F.R.S 336 



LONDON 



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^ The Volume for 1898 of the GEOLOGICAL MAGAZINE is ready, 

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