No. 514. | Decade V.—Vol. IV.—No. IV. Price 1s, 6d. net. 
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GEOLOGICAL MAGAZINE 
Hlonthly Journal of Geologn. 
WITH WHICH IS INCORPORATED 
a 
. 
a a = Os = = | OO) 
EDITED BY 
HENRY WOODWARD, LL.D., F.R.S., F.G.S., &c. 
ASSISTED BY 
WILFRID H. HUDLESTON, F.R.S., &c., Dk. GEORGE J. HINDE, F.R.S., &c., anv 
HORACE B. WOODWARD, F.R.S., &c. j 
3 APRIL, 1907. 
CONTENTS. 
I. Onternan Anticies. Page II. Notices or Memorrs. Page 
A Case of Metamorphism of Chalk. Arrhenius’ Theory of the Physical 
By Prof, Gro. C. Gover, A.R.C.S., Causes of Vulcanicity. By R. H. 
B.Sc:, F.G.8., Royal Agricultural Rastally IMA iE GoSt ce ccsc.snesacce 173 
College, Cirencester. (Plate V.)... 145 P Ill. Reviews. 
: New Geological Maps and Memoirs... 175 
Ser ae re A ae (oor Memoirs of Geological DUEVEY) d.eaces ila 
Wink nare. ME C M.E.. F.G.S 14g | New Geological Survey Drift-Maps, 
PETER eae Viet SL LOSEBEABEe SOSBROREBEB PB ch ater 178 
en a ceo ee IY. Reports anp ProcEEpDrnes. 
Semoun. by ew. 0. 2 HANG, Geological Society of London— 
M.A., F.G.S.,_ British Museum 2 February Gis LOO get ts 179 
(Nat. Hist.). (With3 page Sections.) 1 | February 15th (Annual Meeting)... 180 
eeniwns Volomic Rodes By“ ee A GHATS Saccwe. dossts pest ug we 
- T. Croox, A.R.C.S8e.1., F.G.S8.... 157 ame : ebegae possi rie 
Mineralogical Society .................. 189 
Palontographical Society ............ 190 
Bie Te Gono Ros. me Zoological Society ..... c...ss.sesesseeeee 190 
1) Site Haiespecdostonodbedonecopnac snsunee 165 V. CorrEsPONDENCE. 
te eaten! Compeanoncel [encod Mrs. Ayypon Peer te {ACEI 191 
Rocks. By ARTHUR WDE, F.G.S. : VI. Ozrrvary. 
(With a Figure.) ........06 socdonebaee 171 | Si Francis Tress Barry, Bart......3... 192 
LONDON: DULAU & CO., 37, SOHO SQUARE. 
> The Volume for 1906 of the GEOLOGICAL MAGAZINE is ready, 
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