No. 448. New Series.— Decade IV.— Vol. VIII.— No. X. Price Is.Gd. nett. 



THE 



GEOLOGICAL MAGAZINE 



onthi]) Jainiiml of (S^oloflg, 



WITH WHICH IS IN'CORPORATKD 



"THE aEOLOGMST." 



EDITED BY 



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., &c., 



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



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



OCTOBER, 1901. 



OOZtTTEHSTT-S, 



I. Original Articles. page 



1. Some Carboniferous Shale from 

 Siberia. By T. Rupert Jones, 

 F.R.S., F.G.S. (Plate XVI.) 433 



2. Recently Discovered Extinct 

 Vertebrates troniEg-ypt. (I^t. II.) 

 By Chas. W. Andrews, D.Sc, 

 F.G.S.., of the British Museum 

 (Nat. Hist.). (With 4 lllus- 

 tratious.) 436 



3. Ou the Circulation of Salt in 

 its Relations to Geology. By 

 AVilliam Ackroyd, F.I.C, 

 F.C.S 445 



4. The Periodicity of Earthquakes. 

 By R. D. Oldham, F.G.S., 

 Superintendent Geol. Surv. of 

 India 449 



II. Notices of Memoirs. 



1. British Association, Glasgow, 

 Sept. 12th, 1901. Geology : 

 Presidential Address by Jolm 

 IIorne.F.R.S. L. & E., F.G.S., 

 to Section C 452 



Notices of Memoirs — continued. page 



2. Geological Survey Report, Egypt: 

 The Farafra Oasis 470 



3. Economic Geology 471 



4. Canadian Giology 471 



5. Canadian Paheozoic Corals 47"i 



6. Paleozoic Crustacea 472 



7. Map of Mt. Blanc 472 



8. Geology of the Philippines 472 



9. New Brachiopoda 473 



III. Reviews. 



1. Fauna of the Gas-coal, etc., of 

 Bohemia. By Dr. Fritsch. ... 473 



2. Geology of the Transvaal 475 



IV. Correspondence. 



1. Mr. S. S. Buckman, F.G.S. ... 478 



2. Fossils and Garnets 479 



V. Obituary. 



1. John Storrie, A.L.S 479 



2. J. W. Kirkby 480 



3. Professor E. W. Claypole 480 



4. M.F.Woodward 480 



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