Corresjyonde'iice — F. A. Bather. 14S 



Eeport on the Crocodile River Iron Deposits. By P. A. 

 Wagner. Geological Survey of the Union of South Africa, 

 Memoir No. 17. pp. 65, with 12 plates and 5 figures. 1921. 

 nnHESE deposits of banded haematite ore are situated in the 

 -*- northern part of the Rustenburg district of the Transvaal, in 

 a rather inaccessible district, 68 miles from the nearest railway. 

 They lie immediately above the dolomite of the Transvaal System, 

 and belong to the usual type of banded ironstone that is so common 

 in many localities. They include red and black, black and grey, 

 and dull-brown varieties, as well as calico-rock, and may be 

 described as essentially banded ferruginous cherts with a varying 

 proportion of iron oxide ; the iron-content ranges from 16 to 44 per 

 cent, but the silica is usually very high. It seems highly probable 

 that when a railway is constructed these deposits will become 

 of economic importance. 



CORRESPONDENCE. 



PAL^ONTOLOGICAL ABSTRACTS. 



Sir, — You allowed me in April, 1920, to draw attention to the 

 alliance of the Revue Critique de Paleozoologie with the Review of 

 Geology. May I remind your readers that the work of preparing 

 or editing abstracts of all papers on fossil animals and plants is still 

 carried on by M. Cossmann, and that he is particularly anxious to 

 receive either author's abstracts or separate copies of all papers 

 by British palaeontologists. 



Will those who respond to his request kindly note the new 

 address : from November to May, 21 Rue Montpensier, Pau (B.-P.), 

 France ; from June to October, 2 Boulevard Sadi-Carnot, Enghien 

 (S. & 0.), France. 



F. A. Bather. 



THE RAISED BEACH AT EASINGTON. 



Sir, — Having had the privilege of examining the Durham coast- 

 sections last summer under the guidance of Dr. Trechmann and 

 Dr. Woolacott, I can thoroughly appreciate the importance of their 

 discoveries among the Pleistocene deposits, which have introduced 

 new factors into the complicated problems of the East British 

 drifts. 



On seeing the Raised Beach at Easington, discovered by 

 Dr. Woolacott and discussed by him in your current (February) 

 issue, I was immediately satisfied that it was an actual marine shore- 

 deposit resting upon its original rock-shelf, and a later visit confirmed 

 me in this opinion. But I saw in the same neighbourhood, and 

 elsewhere in the county, other sandy and gravelly deposits, to which 

 a marine origin has been assigned, that appeared to me to be all of 

 the usual fluvio-glacial type, carrying no positive evidence of marine 

 conditions and differing essentially from the Easington Beach, 



