No. 700. 



Vol. LIX of Whole Series. 



Price 2s. 6d. 



The 



Geological Magazine 



fIDonthlv) 3ountal of (Bcolotjv. 



VITH WHICH IS INCOKPORATED 



THE GEOLOGIST. 



Founded in 1864, by the late Dr. Henry Woodward, F.E.S. 



Editor — R. H. RASTALL, Sc.D., M.Inst.M.M. 



ISSIBTKD BV 



Prof. J. W. GREGORY. D.Sc. F.R.S. 

 P. H. HATCH, Ph.D., M.Inst.M.M. 

 Sir T. H. HOLLAND, K.C.S.I., F.R.S. 

 PuoF. J. E. MARR, Sc.D., F.R.S. 



Sir JETHRO J, H. TEALL, Sc.D., F.R.S. 

 Prof. W. W. WA-TTSrScJrtT'P*^. 



CONTENTS :— 



Original Articles. Page 



Pliocene and Pleistocene Mammalia 

 of East Anglia. By Professor 

 H. F. Osborn. (With folding 

 table.) 433 



Notes on the Doleritic Intrusions 

 of East Fife. By D. Balsillie 442 



A Cambro-Ordovician Section in 

 the Beaverfoot Range. British 

 Columbia. By L. D. Burling 452 



Daviesiella llangoUensis in Derby- 

 shire. By. J. W. Jackson 461 



Pre-Cambrian Shale in Guernsey. 

 By H. G. Plymen. (With'l 

 Text-fig.) 468 



Reviews. 



Geology of Northern Sinai 470 



Summary of Progress for 1920 473 



Reviews {co7it.). Page 



Cretaceous Flora of the Netherlands 474 

 Tectonic Geology of Czecho - 



Slovakia 475 



The Biology of the Sea-shore 476 



Geology of Haiti 476 



The Iron Ore Resources of 



Europe 476 



The Plateau Tin-fields, Nigeria ... 477 

 Ore Deposits in Bolivia and Peru 478 

 Handbook to Hull and East 



Riding 479 



Reports and Proceedings. 



British Association 479 



Correspondence . 



E. M. Brydone 480 



Announcements and Inquiries 480 



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