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iJecade V.— Vol. IX.— No. II. 



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THE 



GEOLOGICAL MAGAZLNE 



^ttontklij Joiinral of Seologu. 



WITH WHICH IS INCORPOUATKD 



THE G-EOLOC3-.IST. 



EDITHl) KV 



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



ASSISTKI) KV 



Pkopessor J. W. GREGORY, D.Sc, F.R.S., F.G.S. 



Dr. GKORGE J. HliNDK, F.R.S., F.G.S. 



Sir THOMAS H. HOLLAND, K.C.I.E., A.R.C.S.^ D.Sc, F.R.S,, F.G.S. 



Professor W. W. NYATTS, Sc.D., M.Sc, F.R.S., Prijs. Geol. Soc. 

 Dr. ARTHUR S.MITH WOODWARD, F.R.S,, F.L.S., SEC.Giim,.Soc. " 

 HORACE B. WOODWARD, F.R.S., T-CS. >^"^» iV.cQpi 



FEBRUARY, 1912. 



GOHNTTEin^TS. 



I. Original Articles. Page 



The Geological Work of the late 

 Professor A. E. Tornebohm. By 

 Professor A. G. HOGBOM. (With 

 a Portrait, Plate III.) 49 



Outlines of Oilfield Geology. By 

 T. O. BoswoRTH, B.A., F.G.S. 

 (With five Text-figures.) {Con- 

 cluded.) 53 



The Tachylite of the Cleveland 

 Dyke. By Miss M. K. Heslop, 

 M.Sc, andE. C. Burton, F.G.S. 

 (Plate IV.) 60 



Late Palaeozoic Alkaline Igneous 

 Eocks in West of Scotland. By 

 G. W. Tyrrell, A.E.C.Sc, 

 F.G.S. (With a Text-figure.) ... 69 



Fossil Flora of Ingleton Coal-field. 

 By E. A. Newell Arber, M.A., 

 F.G.S 80 



New Devonian Fossils, Cornwall. 

 By Ivor Thomas, D.Sc, F.G.S. 82 



II. Eeviews. Page 



Dr. E. H. Traquair's Wealden 



Fishes of Belgium 84 



Dr. A. E. Dwerryhouse : Geological 



Maps 86 



A. H. Brooks : Mount McKinley, 



Alaska 87 



Cambridge County Geographies ... 88 

 Brief Notices : Cotteswold Club — 

 Philippine Islands — Magdalen 

 islands — The Plant World — 

 Devonian Fauna — Oolitic Unios 

 — Tennessee Eesources — . Paul 

 Choffat's works 89 



III. Eeports and Proceedings. 

 Geological Society of London — 



December 20, 1911 92 



Mineralogical Society 94 



IV. Correspondence. 



Dr. E. H. Traquair 95 



Dr. M. C. Stopes 95 



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