236 Reports & Proceedings — Mineralogical Society. 



different. The mineral suite of the succeeding Pliocene beds (with 

 abundant red garnets, andalusite, raica, and ferroraagnesian minerals) 

 is shown to be very different, and the constituents of various other 

 East Anglian deposits are also compared. 



In the Thanet Beds, ferromagnesian minerals are present and 

 undecomposed, the micas being rare. In the shallow waters in which 

 the Reading Beds were deposited, the biotite, hornblende, pyroxene, 

 and epidote appear to have been largely lost, aided no doubt by 

 current-drift along a shore. The Pebble beds show occasionally 

 natural concentration of heavy minerals by oscillatory current-action. 

 In the subsidence which followed when the London Clay was deposited, 

 muscovite and biotite appeared in fair quantity, and hornblende 

 became abundant. Such minerals as magnetite, ilmenite, rutile, 

 zircon, glauconite, etc., are plentiful throughout. 



II. — Mineralogical Society. 



March 16, 1915.— Dr. A. E. H. Tutton, F.R.S., President, in the 



Chair. 

 Professor G. Cesaro : Orpiment from Balia, Asia Minor. Results 

 of a crystallographic examination were given. — Professor G. Cesaro : 

 Stereographic projection of a cone touching the sphere of projection 

 along a small circle. — Dr. S. Kozu : The dispersion of adularia from 

 St. Gothard, felspar from Madagascar, and moonstone from Ceylon. 

 A second communication giving the results of careful measurements. 

 — Dr. G. T. Prior : The Meteoric Stone of Launton, Oxfordshire. The 

 stone, which was seen to fall on February 15, 1830, was acquired by 

 Dr. Lee and placed in his natural history collection at Hartwell 

 House, near Aylesbury. After his death it was, through confusion 

 with another meteorite, lost sight of until 1895, when it was found 

 by Dr. Fletcher Avrongly labelled in the Lee Collection, and was 

 secured for the British Museum. The stone belongs to the white- 

 veined chondrite group, and in chemical and mineral composition 

 agrees with other members of that group. 



III. — The Geological Society of Glasgow. 



At a meeting of the Geological Society of Glasgow, April 8, 1915, 

 Mr. Duncan Smith exhibited hazel-nuts and wood found in March, 

 1914, when preparing foundations for the restoration of Paisley 

 Abbey. The occurrence was investigated by the Rev. C. A. Hall 

 and Mr. Smith, who found that the nuts were in great abundance, 

 mostly in pockets in a gravel about 11 feet from the surface.. 

 Consideration of the evidence led to the conclusion that the nuts and 

 other vegetable matter associated with them had been accumulated at 

 the time of the 25 foot beach. 



Dr. David Ellis read a paper on " Fossil Moulds and Fossil 

 Bacteria". He outlined briefly the characteristics of the living 

 representatives of the two groups of organisms referred to, and said 

 that it was about eighty years since fungi had been recognized in the 

 fossil state and several species had already been named. The subject 



