No. 374. New Series.— Decade IV.— Vol. II.— No. VIII. Price Is. 6d. nett. 



THE 



GEOLOGICAL MAGAZINE; 



OR, 



autWg Jauiiual af (Snolaflj. 



■WITH WHICH IS INCORPORATKD 



TME aEOLOGMST." 



EDITED BY 



HENRY WOODWARD, LL.D., F.R.S., Pres. Geol. Soc, &c. 



ASSISTED BY 



ROBERT ETHERIDGE, F.R.S., L. <&, E., F.G.S., Soc, 



WILFRID H. HUDLESTON, M.A., F.R.S., F.L.S., F.G.S., &c., 



GEORGE J. HINDE, Ph.D., F.G.S., &c., 



AND HORACE BOLINGBROKE WOODWARD, F.G.S. 



AUGUST, 1895. 



OOnSTTEHSTTS, 



PAGE 



III Memoriam: The Eight Hon. T. H. 



Huxley. (With a Portrait)... 337 



I. Okiginal Articles. 



1. Pitted Pebbles in the Bunter. 

 By T. Mellard Eeade, C.E., 

 F.G.S. (Plate XI) 341 



2. Two Occurrences of Eacliolarians 

 in English Cretaceous Eocks. By 

 G.E. Grimes, B.Sc.,A.E.S.M., 

 F.G.S. (With Illustrations)... 345 



3. The Great Ice Age and Sub- 

 mergence. By DuGALD Bell, 

 F.G.S. (Continued from p. 326) 348 



4. Effect of the Glacial Period on 

 the Underground Temperature 

 Gradient. By Chas. Davison, 

 M.A., F.G.S. (With Illustra- 

 tion) 356 



5. On the Chalk of the London 

 Basin. ByW. Whitaker, B.A., 

 F.E.S., F.G.S., Assoc.I.C.E. 360 



II. Notices of Memoirs. 



1. Geological Society of South 

 Africa: Inaugural Address by 

 the President, Dr.Exton, F.G.S. 366 



Notices of Mehoius— continued. page 

 2. Glacial Progress. By Captain 

 Marshall Hall, F.C.S., F.G.S. 368 



III. Eeviews. 



The Seismological Society of 

 Japan (VoL IV, 1895) 370 



IV. Efforts and Proceedings. 



Geological Society of London — 

 June 19th, 1895 37.i 



V. Correspondence. 



1. Professor Prestwich, D.C.L., 

 FES 97^ 



2. Dr. C. CanawaV,'M.'A'.',F".G.s'. 376 



3. Mr. H. Woods," B.A., F.G.S. 377 



4. Colonel H.W. Feilden, F.G.S. 378 



5. Mr. T. Mellard Eeade, C.E., 

 F.G.S 379 



VI. Obituary. 



1. Professor Valentine Ball, C.B., 

 F.E.S 382 



2. Professor W. C. Williamson, 

 F.E.S 383 



L0ND0:N": DULAU & CO., 37, SOHO SQUARE. 



(^ The Volume for 1894 of the GEOLOGICAL MAGAZINE is now ready, 

 price 20s. Cloth Cases for Binding may be had, price Is. 6d. 



