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No. 402. New Series.— Decade IV.— Vol. IV.— No. XII. Price Is. 6d. nett. 



THE 



GEOLOGICAL MAGAZINE; 



0nthl|) Jouiinal af (i^olajga. 



WITH WHICH IS INCOBPORATKD 



"THE GEOLOG-IST." 



EDITED BY 



HENRY WOODWARD, LL.D., F.R.S., V.P.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. 



DECEMBER, 1897. 



OOISTTEHSTTS. 



I. OuiGiNAL Articles. 

 1. 



page 



Glacial Geology of "Western 

 New York. By Professor H. 

 Lb Roy Fairchild, B.Sc. 

 (With a Map, Plate XXI.) 529 



2. Are Crystalline Gneisses portions 

 of the 'Original Earth's Crust? 

 By Joseph Lomas, A.H.C.S., 

 F.G.S 537 



3. On Ceratodus. By Professor 

 H. G. Seeley, F.B.S. (With 

 Figure.) 543 



4. How to Determine the Direction 

 of Faults. By Philip Lake, 

 M.A., F.G.S. (With 5 Figs.) 545 



5. The Age of the Band Beds. By 

 W. Gibson, F.G.S 548 



II. Notices of Memoirs. 



1. Lode Formations and Telluride 

 Gold - Deposits in Western 

 Australia. By H. P. Wood- 

 ward, Assoc. M. Inst. C. E., 

 F.G.S., etc 550 



2. Differentiation in Igneous 

 Magmas. By J. J. H. Teall, 

 M.A., F.E.S., V.P.G.S 553 



3. Drift Phenomena of Pu^et 



Notices of Memoirs — continued, page 

 4. E. J. Garwood, F.G.S. Life- 

 Zones in the British Carbon- 

 iferous Rocks 556 



III. Reviews. 



L A Memoir of William Pengelly, 

 F.R.S. By Hester Pengelly and 

 Rev. Prof. Bonney, F.R.S". ... 657 



2. Maryland Geological Survey. 

 Vol. I, 1897 560 



3. Himalayan Triassic Fossils. By 

 (1) Dr. E. Mojsisovics and (2) 

 Dr. Carl Diener 562 



4. Geology around Liverpool. By 



G. H. Morton, F.G.S 565 



5. Appendix to the above work, 

 with Map 568 



6. Dr. F. Ameghino's Pyrotherhmi- 

 beds, Patagonia 568 



IV. Reports akd Proceedings. 



Geological Society of London — 

 Nov. 3, 1897 569 



V. Correspondence. 



Professor E. Hull, F.R.S 572 



VI. Obituary. 



1. Rev. Prof. Haughton, F.R.S... 573 



2. Baron Von Ettingshausen 575 



3. Rev.P. B.Brodie,M.A.,F.G.S. 576 



. Sound. By Bayley Willis, Esq. 555 

 With this Number is presented an Extra Sheet, containing Index and Title 

 for Decade IV, Vol. IV, 1897. 



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



W The Volume for 1896 of the GEOLOGICAL MAGAZJ.^S is now ready, 

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