No. 635. 



Decade VI.— Vol. IV.— No. V. 



Price 2s. net. 



THE 



GEOLOGICAL MAGAZINE 



^Honthlij Journal of deologn, 



WITH WHICH IS INCORPORATED 



TIHIE GEOLOGIST. 



EDITED BY 



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



ASSISTED BY 



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

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

 Sir THOMAS H. HOLLAND, K.C.I E., A.R.C.S., D.Sc, F.R.S., Vice-Pr, 

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

 Sir JETHRO J. H. TEALL, M.A., Sc.D. (Camb.), LL.D., F 

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

 Dr. ARTHUR SMITH WOODWARD, F.R.S.. F.L.S., Vice-P 



MAY, 1917. 



GOlTTElSrTS. 

 I. Original Articles. Page 

 Eminent Living Geologists : Pro- 

 fessor Henry Fairfield Osborn, 



LL.D. (With Portrait, PI. XII.) 193 

 Morphology of the Echinoidea 



Holectypoida, etc. By Herbert 



L.Hawkins, F.G.S. (PI. XIII.) 196 

 The Base in the Camerate 



Monocyclic Crinoids. By F. A. 



Bather, D.Sc, F.K.S., F.G.S. 



(With a Text-figure.) 206 



Poikilosakos, a remarkable new 



Brachiopod from Texas. By 



D. M. S. Watson, M.Sc. 



(Plate XIV and a Text-figure.)... 212 



II. Keviews. 

 Catalogue of Meteorites in the 



Calcutta Museum. By J. Coggin 



Brown 219 



The Meteorite Collection in the 



U.S. National Museum. By 



G. P.Merrill 220 



The Cookeville Iron Meteorite— 



The Whitfield Meteoric Irons — 



Distribution of Meteorites 221 



Reactions on Copper Sulphides — - 



Linear Force of Growing Crystals 



— Crystals and Crystal Forces ... 222 

 Fossil Fishes in U.S. National 



Museum— Dentition of Ptychodus 



Reviews {continued)'. Page 

 — Areas of the Atlantic Slope — 

 Cretaceous Crabs, Dakota — Flora 

 of the Fox Hills Sandstone — 

 Flora of the Alum Bluff Forma- 

 tion 223 



III. Reports and Proceedings. 

 The Palaeontographical Society ... 226 

 Geological Society of London — 



February 28, 1917 227 



March 14 228 



March 28 229 



April 18 231 



Mineral ogical Society 232 



Edinburgh Geological Society 233 



Liverpool Geological Society 234 



IV. Correspondence. 



Leonard Hawkes ' 235 



S. J. Shand 235 



V. Obituary. 

 C. Barrington Brown, A.R.S.M., 

 F.G.S 235 



RiehardH.Tiddeman,M.A., F.G.S. 238 

 Harry Page Woodward, J. P., F.G.S. 



Assoc. M. Inst. C.E 



VI. Miscellaneous. 

 Geological Map of Dublin Area 



239 



240 



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Egr The Volume for 1916 of the GEOLOGICAL MAGAZINE is ready, 

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