Proceedings. 33 



and Mr. Grimshaw agreed. Professor DixON thought 

 there was pressure in a glacier much greater than that due 

 to the superincumbent ice. Professor REYNOLDS said that 

 at every crack heard in a glacier there was at some place a 

 pressure of over thirty atmospheres. Any obstruction 

 causes a great local intensity of pressure. 



Ordinary Meeting, December 2nd, 1890. 



Edward Schunck, Ph.D., F.R.S., F.C.S., President, in 



the Chair. 



The thanks of the members were voted to the donors 

 of the books upon the table. 



Mr. H. D. POCHIN, F.C.S., alluded to the exceptionally 

 heavy rainfall in the Conway valley during the previous 

 month, and a discussion on the recent heavy fall also in this 

 district ensued, in which Mr. Alderman BAILEY, Mr. C. E. 

 de Range, F.G.S., and others took part. 



Professor W. C. WILLIAMSON, LL.D., F.R.S., read the 

 introduction to the first part of a " General, Morphological, 

 and Histological Index " to his memoirs on the Fossil 

 Plants of the Coal Measures which he is compiling, at the 

 request of the Council, to enable palaeo-botanists to refer to 

 any details of importance in the long series of memoirs in 

 question. The PRESIDENT and members expressed grateful 

 appreciation of the value of this completion of Dr. William- 

 son's long and arduous researches, and the author stated 

 in reply that he had arranged for the transfer of his 

 collection of illustrative specimens to the Manchester 

 Museum, now located at Owens College. 

 c 



