No. 492. 



Decade V.— Vol. II.— No. VI. 



Price Is. 6d. net. 



THE 



GEOLOGICAL MAGAZINE 



anlhtj Jauiinal of (Si?oIajgg. 



WITH WHICH IS INCORPORATED 



THE G^EOLOGHST." 



EDITED «Y 



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



ASSISTED BY 



WILFRID H. HUDLESTOX, F.R.S., &c., Da. GEORGE J. HINDE, F.R.S., &c., and 

 HORACE B. WOODWARD, F.R.S., &c. 



JUNE, 1906. 



GOItTTIBnsrTS. 



I. Original Articles. page 



1. Notes on Britisli Dinosaurs. 

 Part II: Polacanthus. By Dr. 

 Francis Baron Xopcsa. (Plate 

 XII and 8 Text-Figures.) 241 



2. Trilobites from Yen-tsy-yai, 

 Shantung, Nortli China. By 

 Henry Woodward, LL.D., 

 F.R.S., V.P.Z.S., F.G.S. 

 (Plate XIII and 2 Text-Figures.) 251 



3. Fragments of Chert from North 

 China. By George J. Hinde, 

 Ph.D., F.R.S., F.G.S 255 



4. A Displaced Mass of Chalk, 

 Speeton, Yorkshire. By B. 

 UoBsoN, M.Sc, F.G.S 256 



5. Stomatopora antiqua, Haime, 

 and its related Liassic Forms. 

 By W. D. Lang, M.A., F.Z.S., 

 F.G.S. (With a Folding Table ; 

 Plate XIV and Text-Figure.)... 258 



Original Articles — continued. page 

 6. A Contribution to Devonshire 

 Controversial Geology. By 

 Harford J. Lowe, F.G.S. ... 269 



II. Eeviews. 



1. Ice or Water. By Sir Henry 



H. Howorth , 277 



2. Memoirs of the Geological 

 Survey : North Staffordshire 

 Coalfield. By W. Gibson and 

 others 280 



III. Reports and Proceedings. 

 Geological Society of London — 

 April 19th, 1905 284 



IV. Correspondence. 



i; Prof. W.Boyd Dawkins,F.R.S. 285 

 2. R. M. Deeley 286 



V. Miscellaneous. 



Geological Survey of England — 

 Retii-ement of Mr. E. T. Newton, 

 F.R.S., F.G.S .^28;&r 



The Geological Survey of iTelandvrT' 288 . 



LONDON: DULAU & CO., 37, SOHO SQIJAEE. 



^ The Volume for 1904 of the GEOLOGICAL MAGAZINE is ready,, 

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