No. 439. New Series.— Decade IV.— Vol. VIIL— No. I. Price ls.6d. nett. 



THE 



GEOLOGICAL MAGAZINE 



OR, 



onthlj) , Joui|uhI of (SdoIojij. 



WITH WHICH IS INCORPORATED 



"TMK gk;ojl,oghst." 



EDITED KY 



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



ASSISTED BV 



ROBERT ETHERIDGE, F.R.S. L. & E., F.G.S., A-c, 



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



GEORGE J. HINDE, Ph.D., F.R.S. , F.G.S., Soc, and 



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



JANUARY, 1901. 



OOnSTTElSTTS 



I. Original Articles. page 



1. Note ou the Structure of Sarseus. 

 By Professor J. W. Judu, C.B., 

 LL.D., F.R.S., V.P.G.S 1 



2. Note ou certaiu Impressious of 

 Ecliinoderms observed iu the 

 Triassic lleptiliferous SauJstoue 

 of AVarwickshire and Elgiu. By 

 Professor Rudolf Bukckhardt, 

 Ph.D., of the Uuiversity of Basel. 

 (With a Process-block.) 3 



3. Woodwardian Museum Notes : 

 J. W. Salter's Undescribed 

 Species, II. By F. R. Cowper 

 Reed, M.A., F.G.S. (Plate I.) 5 

 Note on the Preparation of 

 Spherulites. By H. Bassett, Jun. 

 (With a Process-block.) 14 



, Sources and Distribution of York- 

 shire Boulders. ByJ.AV. St.\ther, 



F.G.S 17 



On the Formation of Reef Knolls. 

 By R. H. Tiddeman, M.A., 

 F.G.S 20 



Notices of Memoirs. 

 Hugli J. L. Beadnell on Recent 

 Geological Discoveries iu the Nile 

 Valley, etc 23 



4. 



II 



29 



Notices of Memoirs — continued, page 



2. Discussion on the Conditions under 

 which Plauts grew iu the Coal- 

 period. By Messrs. R. Kidston, 

 A. Strahan, A. C. Seward, and 

 J. E. Marr 



3. J. Lo-nias on the Construction and 

 Uses of Strike-Maps 34 



4. G. Abbott : The Concretionary 

 Maguesiau Limestone of Durham 35 



5. A. C. Seward : The Jurassic Flora 



of East Yorkshire 36 



6. Edgar D. Willburu : The Fish- 

 Fauna of the Yorkshire Coalfields 37 

 Reviews.^ 



1. E. Howartirs Catalogue of the 

 Batemau Collection iu the Sheffield 

 Museum 37 



2. C. Fox- Strang ways & W. W. 

 Watts : Geology of Country near 

 Charnwood Forest 41 



Reports A^fD Proceedings. 

 Geological Society of London — 

 November 7, 190U 41 



2. November 21, 1900 42 



3. December 5, 1900 45 



Y. OlUTUARY. 



C. J. A. Meyer, F.G.S 4G 



III. 



IV 



1. 



LO.^DON^: DULAU & CO., 37, SOHO SQUARE. 



^ The Volume for 1900 of the GEOLOGICAL MAGAZINE is ready, 

 price 208. nett. Cloth Cases for Binding may be had, price Is. 6d. nett. 



