No. 413. New Series.— Decade IV.— Vol. V.— No. XI. Price Is. 6d. nett, 



THE 



GEOLOGICAL MAGAZINE 



OR, 



JJ!louth!]j Jouiinal of (S^oloflj. 



WIl'H WHICH IS INCOKPORAIKD 



"THE aEOLOG^IST." 



EDITED BY 



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



ASSISTED BY 



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



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



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



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



NOVEMBER, 1898. 



OO isTTElNrTS, 



I, Original Articles. 



1. On Aggregate Deposits, and 

 their Eelatious to Zones. By the 

 Eev. J. F. Blake, M.A., F.G.S. 481 



2. On the Eevisiou of South Wales 

 and Monmouthshire hy the Geo- 

 logical Survey. By A . Strahan, 

 M.A., F.G.S ;. 488 



3. Blind Trilobites. (Part II.) By 

 F. R. Cowper Eeed, M.A , 

 F.G.S. (Continued from p. 447.) 493 



4. Mr. Gunn's Correlation of the 

 Cai-boniferous Rocks. By 

 Wheelton Hind, M.D., 

 F.G.S., etc 506 



5. The Age and Origin of the 

 Granite of Dartmoor, etc. By 

 Alex Somervail 509 



II. Notices of Memoirs. 



1. Dr. Riist's New Contributions 

 to a Study of the Fossil Radio - 

 laria from Jurassic and Cre- 

 taceous Rocks 513 



2. Dr. Spencer on High Plateaux 

 and Submarine Antillean Valleys. 514 



Notices of Memoirs — continued, page 



3. Dr. Spencer: Changes of Level 



in Jamaica. (Plate XVIII.) ... 515 



4. List of Geological Papers read 



at the British Association 517 



III. Reviews. 



1. G. C. Crick's List of Types of 

 Cephalopoda in British Museum 

 (Natural History) 519 



2. G. C. Crick's Muscular Attach- 

 ment of Animal to its Shell in 

 Cephalopoda 519 



3 . Professor W. W. Watts' Geology 



for Beginners 520 



4. J. V. Elsden's Applied Geology. 

 Part I 521 



5. Wachsmuth & Springer's Mono- 

 graph on Crinoids. (P'ourth 

 Nutice.) By F. A. B.ither, 

 M.A., F.G.S 522 



IV. Correspondence. 



1. Mr. A. J. Jukes-Browne 527 



2. Mr. James Currie 527 



V. Obituary. 



Dr. J. C. H. Crosse 528 



Felix Bernard 528 



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