flo. 405. New Series.— Decade IV.— Vol. V.— No. III. Price Is. 66. nett. 



THE 



GEOLOGICAL MAGAZINE 



outhln JoimuHl af fteologij, 



WITH WHICH IS INCOKPORATKD 



"THE aEOLOGhlST." 



EDITED BY 



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



ASSISTED BY 



ROBERT ETHERIDGE, F.R.S., L. So E., F.G.S., Soe., 



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., &,c., and 



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



MAECH, 1898. 



OOZtTTE^tTTS, 



1. Okiginal Articles. page 



1. The Earliest Engraved Geologi- 

 cal Maps of England and Wales. 

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

 LL.D., F.R.S., V.P.G.S., etc. 97 



2. On the Flame - Reaction of 

 Potassium in Silicates. By- 

 Professor Grenvili.e a. J. 

 Cole, M.E.I. A., F.G.S 103 



3. On Oudenodon 2^^i^i<'<^ops from 

 the Cape Colony. Bv Professor 

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



an Illustration.) 107 



4. Narrative of aGeologicalJourney 

 through Russia. (Part 2, Fin- 

 land.) Bv G. F. Hakhis, 

 F.G.S., M'.S.G.F., etc. (With 

 an Illustratiou.) (Continued 

 from p. 15.) 110 



5. The " Irish Elk " in the Isle of 

 Man. By P. M. C. Kekmodb, 

 Esq 116 



6. Notes on the Red-Deer. By 

 G. Pbingle Hughes, Esq. 

 (With an Illustratiou.) 119 



Original Autxcl'es— continued. page 

 7. The Contact-Rocks of the Great 

 Whin Sill. By W. Maynard 

 HuTCHiNGS, F. G. S. (Con- 

 cluded from p. 82.) 123 



II. Notices op Memoirs. 



Compass Variation affected by 

 Geological Structure in Bucks 

 and Montgomery Counties, Pa., 

 U.S.A. By B. S. Lyman 131 



III. Reviews. 



J. G. Millais. British Deer and 

 their Horns. (With Plates III 

 and IV, and an Illustratiou iu 

 the text.) 133 



IV. Reports and Proceedings. 



Geological Society of Loudon — 

 January 19, 1898 140 



V. CoRliESPONDENCE. 



1. David Draper, F.G.S 141 



2. Miss G. L. Elles 141 



VI. OlilTUARY. 



1. Dr. Oscar F. von Fraas 141 



2. Lieut. -Col. C. Cooper - Kiug, 

 F.G.S \. 142 



LONDOIs^: DIJLATJ & CO., 37, SOHO SUUAKE. 



W The Volume for 1897 of the GEOLOGICAL MAGAZINE is now ready, 

 price 20s. nett. Cloth Cases for Binding may be had, price Is. 6d. nett. 



