Decade V.— Vol. VI.— No. XI. 



Price Is. 6d. net. 



THE 



GEOLOGICAL MAGAZINE 



OK 



Jttonthln Journal af ^eologi}. 



WITH WHICH IS INCOIIPOKATKI) 



maZE G-EOLOG-IST- 



EDITEI) BY 



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



ASSISTKB BY 



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



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



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



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



Dr. ARTHUR SMITH WOODWARD, F.R.S., F.L.S., Sec.Gkol.Soc, and 



HORACE H. WOODWARD, F.R.S., F.G.S. 



NOVEMBER, 1909. 



OOnSTTEinSTTS 



1. ORUiiNAi, Articles. ^'I'ffc 



The Rev. Osmond Fisher, M.A., 

 F.G.S., and Professor T. Rupert 

 Jones, F.R.S., F.G.S. (with 

 Portrait in text) 481 



Fossil Plants Ironi Cape Colony. By 

 ■ Professor A. C. Seward, F.R.S. 

 (Plate XXVIII.) ... 482 



The genus Hastimima from Brazil and 

 the Cape. By Henry Woodward, 

 F.R.S., F.G.S. (With two Te.xt- 

 tigures.) 486 



The Langkofl Thrust-mass, South 

 Tyrol. Bv Mrs. Maria M. Ogilvik 

 Gordon, D.Sc, Ph.D., F.L.S.... 488 



Glacial Features at Aheredw in the 

 Wye Valley. By L. Richardson, 

 F.R.S.E.,' F.G.S. (Plate XXIX 

 and a Woodcut.) 490 



Diamond Matrices of Australia. By 

 J. AllanThomson,B.Sc., F.G.S. 492 



The Old Granites of Africa. By 

 C. B. HoRwooD, F.G.S., and A. 

 Wade, F.G.S. (Continued from 

 the October number.) 497 



Pre-Glacial Marine Terrace, Wexford 

 Coast. Bv F. R. Cowper Reed, 

 M. A., F.G.S 507 



River Development in Wales. By 

 L.Richardson, F.R.S.E. (With 

 aTexr-map.) 508 



Optical Peculiarities in Phlogopite. 

 By T. Crook, A.R.C.S., F.G.S. 512 



LONDON : DULAU & CO., 



II. Notices of Memoirs. P(i</e 

 Classification of the Permian. By 



Dr. D. Woolacott 513 



Limestone Unconformities, Pipes and 



Swallow-holes. By E. ¥.. L. Dixou 514 

 Igneous and other Rocks, Co. Galway. 



By C. I. Gardiner 516 



III. Reviews. 



Life and Letters of Peter and Susan 

 Lesley 517 



What is a Mineral ? By Prof. J. W. 

 Gregory 520 



The Seventy-fifth Anniversary of The 

 Mining Journal 621 



Battle of Land and Sea on our Coast 522 



Brief Notices : A Century of Geological 

 Maps of New York — Geology of 

 Londonderry — Queensland Geologi- 

 cal Survey— Permian Footprints — 

 Snowfall — Dew - Ponds — Land 

 Forms — A New Jurassic Ammonite 

 — Tin in the Malay Peninsula — Tin 

 Mining andWater Supply, Federated 

 Malay States 522 



IV. Correspondence. 



T. Crook 



F. J. Bennett 



524 

 526 



Dr 



V. Obituary. 

 F. Anton Dohrn 



527 



VI. Miscellaneous .... ..: ... 5^8 



Ltd., 37, SOHO SQIJAllE, W. * 



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