No. 406. New Series.— Decade IV.— Vol. V.— No. IV. Price Is. 6d. nett. 



THE 



/ 6 0/ 7 ^ 



GEOLOGICAL MAGAZINE 



JHonthli) Join;aaI af (Sfolojij, 



WITH WHICH IS INCORPORATK.D 



"TtlE GKOLO.G^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. 



APRIL, 1898. 



OOJSTTIEin^TS. 



I. Okiginal Articles. page 



1. The Earliest Geological Maps 

 of Scotland and Ireland. By 

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

 LL.D., F.E.S., V.P.G.S., etc. 145 



2. A Collection of Egyptian Fossil 

 Ecliinoidea. By J. W. Gregory, 

 D.Sc, F.G.S. (With Plates 



V and VI.) 149 



3. The Origin of the Vale of Marsh- 

 wood in West Dorset. By A. J. 

 Jl'kes-Brotx'ne, B.A., F.G.S. 

 (With a Geological Page-Map 

 and a Section.) 161 



4. A Eevindication of the IJanberis 

 Unconformity. (Part 1.) By 

 Eev. J.F.Blak:e,M.A.,F.G.S. 169 



II. Reports and Proceedings. page 



Geological Society of London — 



1. Ordinary Meeting, Feb. 2, 1898 178 



2. Annual General Meeting, Feb. 



18, 1898 180 



3. OrdinaryMeeting, Feb. 23,1898 188 



III. CORUESPONDENCE. 



1. Mr. W. S. Gresley, F.G.S.: 



" The Formation of Soil." 189 



2. Mr. John Smith: " Section ex- 

 posed at the Dry Dock, Troou, 

 Ayrshii-e." 190 



IV. OlUTUARY. 



Dr. Samuel A. Miller, of Cincin- 

 nati, U.S. A 192 



LONDOIs^: DTJLAU & CO., 37, SOHO SQUARE. 



^ 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. 



