No. 488. 



Decade V.— Vol. IL— No. II. 



Price Is. 6d. net. 



THE 



GEOLOGICAL MAGAZINE 



anlhl^ Jauiinal of iJMlcrjgj. 



WITH WHICH IS INCORPORATED 



'*TIIE G^EOLOGhlST." 



EDITED BY 



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



ASSISTED BY 



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

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



FEBRUARY, 1905. 



OO nSTTEISTTS. 



I. Original Akticles. page 



1 . Age and Locality of the Malayan 

 Usiherle/la-Shales.ByR.BvLJj^T^ 

 Newtox, F.G.S 49 



2. A Triassic Ustheriella from the 

 Malay Peninsula. By Professor 

 T. EuPEUT Jones, F.E.S., 

 F.G.S. (Plate II.) 50 



3. On some Rocks from Ararat. By 

 Professor T. G. Bonney, D.Sc, 

 LL.D., F.E.S 52 



4. Age of Sandstone, Lavas, and 

 Petrified Forest between Cairo 

 and Suez. By T. Barron, 

 A.E.C.S., F.G.S 58 



5. Cyrtoceras apicale from the Car- 

 boniferous of Derbyshire. By 

 G.C.Crick, F.G.S. (Plate III.) 62 



6. A new Tortoise from Hordwell. 

 By Eeginald W. Hooley, 

 F.G.S. (Text-figs. 1-3.) 66 



II. Notices of Memoirs. 



Significance of Pneumatic Fora- 

 mina in Bones. By Professor 

 H. G. Seeley, F.E.S 68 



71 



III. Eeviews. ] 



1 . The Geological Survey of Canada 



2. The Norwegian Geological Sur- 

 vey in Hard anger Vidde 73 



3. Richardson's Geology of Chelten- 

 ham 78 



4. Ore Deposits: a Discussion 81 



5. Chemical Analysis of Eocks 82 



6. The Crystalline Slates 82 



7. Orbicular Gabbro, California ... 83 



8. Tear-Book of Scientific Societies 83 



IV. Eeports and Proceedings. 



Geological Society of London — 



1. December 21st, 1904 



2. January 4th, 1906 



3. January 18th 



V. Correspondence. 



84 



1. Professor T. G. Bonney, D 



2. Dr. C. Callaway 



3. A. E. Hunt, M.A., F.G.S. 



4. W. A. E. Ussher, F.G.S. . 



5. J. G. Goodchild, F.G.S 



6. The term ' Deuterozoic ' .... 

 VI. Obituary. "TT- ::;- _ 



1. Henry Palin GurnOT, JM 

 D.C.L., F.G.S. 



Sc 



89 

 90 

 91 

 91 

 92 

 92 



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