iHJi: 



QUAKTERLY JOURNAL 



THE GEOLOGICAL SOCIETY OF LONDON. 



PEOCEEDINGS 



OF 



THE GEOLOGICAL SOCIETY. 



Jantjaey 10, 1872. 



William Cockburn, Esq., of Upleatham, Yorkshire, and George 

 William Stow, Esq., of Queenstown, South Africa, were elected 

 Fellows, and Dr. Dionys Stur, of Vienna, a Foreign Correspondent 

 of the Society. 



The following communications were read : — 



1. On Ctclostigma, Lepidodendron, and Knokkia. from Kil- 

 TORKAN. By Prof. Oswald Heer, F.M.G.S. 



[Printed in the present Number as an Appendix to Professor Heer's post- 

 poned paper " On the Carboniferous Flora of Bear Island."] 



2. Notes on the Geology of the Plain of Morocco, and the Great 

 Atlas. By George Maw, Esq., F.G.S. &c. With an Appendix, 

 by R. Etheridge, Esq., F.R.S., F.G.S. 



[Plate III.] 

 Op the geology of Barbary, nothing has heretofore been put on 

 record excepting a few cursory remarks on the Morocco Plain by 

 Dr. Hodgkin, in his account of Sir Moses Montefiore's ' Mission to 

 Morocco in 1864,' and a short paper, by Mr. G. B. Stacey, on the 

 subsidence of the coast near Benghazi, published in the 23rd vol- 

 ume of the Quarterly Journal. Barbary, with the exception of the 

 immediate neighbourhood of a few of the ports, has been almost 

 inaccessible to Europeans ; and the extreme jealousy of the Moorish 

 Government with reference to the mineral riches of the country 

 has hitherto prevented any geological investigation. 



During the spring of the present year I had the advantage of ac- 

 vol. xxviii. — part I. H 



