No. 636. 



Decade VI.— Vol. IV.— No. VI. 



Price 2s. net. 



THE 



GEOLOGICAL MAGAZINE 



jftonthijj Journal of 



WITH WHICH IS INCORPORATED 



THE GEOLOGIS 



EDITED BY 



HENRY WOODWARD, L.L.D., F.R.S., FSqVs., &c 



ASSISTED BY 



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

 Dr. GEORGE J. HINDE, F.R.S., F.G.S. 

 Sib THOMAS H. HOLLAND, K.C.I.E., A.R.C.S., D.Sc, F.R.S., Vice-Pres. Q.t 

 Dr. JOHN EDWARD MARR, M.A., Sc.D. (Camb.), F.R.S., F.G.S. 

 Sib JETHRO J. H. TEALL, M.A., Sc.D. (Camb.), LL.D., F.R.S., F.G.S. 

 Pboekssob W. W. WATTS, Sc.D., M.Sc, F.R.S., F.G.S. 

 DR. ARTHUR SMITH WOODWARD, F.R.S., F.L.S., Vice-Pbeb. Geod. Soc. 



JUNE, 1917. 



CONTENTS. 



Plate XV, portrait of Charles 

 Barrington Brown, A.B.S.M., 

 F.G.S., to accompany Obituary 

 in May Number, p. 235. 



I. Original Articles. Page 



The Glacial Controversy in New 

 Zealand. By C. T. Trechmann, 

 M.Sc.F.G.S 241 



The Chalk Zone of Holaster planus 

 in the Isle of Wight. By B. M. 

 Brydone, F.G.S 245 



Morphology of the Echinoidea 

 Holectypoida, etc. By Herbert 

 L. Hawkins, F.G:S. (PI. XVI.) 249 



New Cenomanian and Turonian 

 Polyzoa. By W. D. Lang, M.A. 



(Plate XVII.) 256 



II. Notices of Memoirs. 



The Lenham Sandstones of Kent. 

 By K. Bullen Newton, F.G.S. ... 259 



Horizon of Scouler's Dithyrocaris 

 tricomis and D. testudinea. By 

 P. Macnair, F.R.S.E., F.G.S. 

 - (With two Text-illustrations.) ... 269 



III. Beviews. 



Professor T. C. Chamberlin 

 Origin of the Earth 



Page 



The 



279 



R. H. Worth: The Dunstones of 

 Plymouth, etc., Devonshire 282 



F. Canu&Ray S. Bassler : American 

 Tertiary Bryozoa 282 



Brief Notices : Bibliographie rela- 

 tive aux Bryozoaires de la France 

 — The Calvert Formation — Geo- 

 logical Factors of the War — 

 The Banket — Palseogeography — 

 Synantetic Minerals — Titani- 

 ferous Magnetite — Batholiths — 

 Analcite 283 



IV. Reports and Proceedings. 



Geological Society of London — 



May 2,1917 287 



May 16 288 



Zoological Society 288 



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