No. 443. New Series.— Decade IV.— Vol. VIII.— No. V. Price Is.Gd. nett 



THE 



GEOLOGICAL MAGAZINE 



OR, 



Wonthlu Jouiinal of (Seolajn. 



WITH WHICH IS INCORPORATED 



"THE aEOLOGHST." 



EDITED KY 



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



ASSISTED BY 



ROBERT ETHERIDGE, F.R.S. L. So 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. 



MAY, 1901. 



I. Okioinal Akticles. page I Okiqinal Articles — continued. page 



1. Erosive Effect of Sand-blast on | 6. The Fish Fauna of the Millstone 



Wood. By T. Mellahd Rb.\de, I Grits of Great Britain. By E. D. 



C.E., F.G.S., F.R.I.B.A. I Wellburn, L.R.C.P., F.G.S., 



(Plate X.) 193 F.R.I.r.H 216 



2. Note on Graptolites from Peru. 

 By E. T. Newton, F.R.S., 



7. Oscillations in the Sea-level. By 

 H. W. Pearson, Esq. (Con- 

 „ , ,,, tinned from the April Number, 

 F.G.S. , etc. (With an lUus- p ij4_^ f_ _' 223 



tration.) 195 



; II. Reviews. 



3. The Rift Valleys nf Eastern j The Permian of Russia. By 



Sinai. By W. F' IIume, D.Sc, j Professor V. Amalitzky 231 



A.R.S.M., F.G.S., etc 198 jjj Reports and Proceedings. 



4. Geology of Eastern Sinai. By ; , Geological Society of Loudon- 



W.F. Hume, D.Sc.A.R.S.M., 



_ _ 1. March G, 1901 234 



F.G.S."etc?.....T.7.'.""..'..~..".'. 200 1 2. March 20, 1901 236 



IV. OlilTUAUY. 



.5. The Glacial Period and Oscilla- 1 j^j^^ Hopwood Blake 238 



tion of Lacd m bcaudiiiavia. ^ 



By Dr. Nils Olof Holst. V. Miscellaneous. 



Translated by F. A. Bather, | International Geological Con- 



D.Sc, F.G.S 205 | gress, 1900 240 



LONDON: DULAU & CO., 37, SOHO SQUARE. 



^ The Volume for 1900 of the GEOLOGICAL MAGAZINE is ready, 

 price 20s. nett. Cloth Cases for Binding may be had, price Is. 6d. nett. 



