iv PROCEEDINGS OE THE GEOLOGICAL SOCIETY. [Feb. 1 898, 



The List of Donations to the Library was read. 



The following communications were read : — 



1. ' The Geology of Eotuma.' By J. Stanley Gardiner, Esq., 

 B.A. (Communicated by J. E. Marr, Esq., M.A., F.E.S.) 



2. ' A Geological Survey of the Witwatersrand and other Districts 

 in the Southern Transvaal.' By Frederick H. Hatch, Ph.D., F.G.S. 



3. ' Observations on the Genus Aclisina, de Koninck, with De- 

 scriptions of British Species, and of some other Carboniferous 

 Gasteropoda.' By Miss J. Donald, of Carlisle. (Communicated by 

 J. G. Goodchild, Esq., F.G.S.) 



The following specimens and maps were exhibited : — 



E,ock-specimens and Microscope-sections, exhibited by F. H. 

 Hatch, Ph.D., F.G.S., in illustration of his paper. 



Specimens of Aclisina, de Kon., and other Carboniferous Gastero- 

 poda, exhibited by J. G. Goodchild, Esq., F.G.S., in illustration 

 of Miss Donald's paper. 



A copy of Sheet 3 of the Lithographed Edition of the Geological 

 Survey Index Map, presented by the Director-General of that 

 Survey. 



Map of the Transvaal, showing Physical Features and Political 

 Divisions, on the scale of 1 inch= 24*78 miles, 1897; and a Geological 

 Map of the Southeru Transvaal, on the scale of 1 inch = about 

 4| miles, 1897, both maps drawn up by Dr. F. H. Hatch, F.G.S., 

 by whom they are presented to the Society. 



December 1st, 1897. 



Dr. Henry Hicks, F.B.S., President, in the Chair. 



Ernest Lionel Allhusen, Esq., B.Sc, Beadnell Tower, Chathill 

 (Northumberland) ; William Ralph Baldwin- Wiseman, Esq., B.Sc, 

 Egerton Yilla, Brundretts Eoad, Chorlton-cum-Hardy ; James 

 Edmund Clark, Esq., B.A., B.Sc, 112 Wool Exchange, London ; 

 Edward Alison Douglas, Esq., Granville House, Overhill Road, East 

 Dulwich, S.E. ; William Edwards, Esq., 242 Fantwich Road, Crewe ; 

 Percy Griffith, Esq., 55 Parliament Street, Westminster, S.W. ; 

 John H. Heal, Esq., Hertford Lodge, Finchley, N. ; Albert Ernest 

 Eitson, Esq., 372 Albert Street, East Melbourne (Victoria) ; Edward 

 St. John Lyburn, Esq., Box 321, Pretoria (South Africa); Clement 

 Hungerford Pollen, Esq., Nelson (British Columbia) ; Richard 

 P. RothweU, Esq., 253 Broadway, New York, and 20 Bucklersbury, 



