176 lloijal Ivkli Academy. 



other Ocean Currents upon Climate, and on the probable effect of such 

 currents in former times upon Geological Climates." 



The Secretary read the list of Donations to the Library of the 

 Academy. The thanks of the Academy were accorded to the respec- 

 tive Donors. 



The Secretary laid on the table the Treasurer's Estimate of the 

 Expenditure and Income of the Academy for the ensuing year. 



Monday Evening, Mat 9, 1881. 



SiK EoBERT Kane, ll.d., f.k.s.. President, in the Chair. 



The Secretary read for Mr. Hodges the first part of a Report " On 

 the Action of Various Bleaching Agents, being an Investigation of the 

 Character and Chemical Constitution of the Fibre of the Flax Plant." 



The President made a statement in reference to the Gold Medal 

 which the Academy had awarded to Mr. Howard Grubb, mentioning 

 that as Mr. Grubb was detained in Paris, and was unable to be 

 present, the presentation of the Medal would be postponed until he 

 returned. 



The Secretary read for Mr. Gerrard A. Kinahan a " Report on the 

 Clearing of Peaty Water." 



Dr. Ball read a Paper on " nomographic Screw-systems." 



The Secretary read the list of Donations. The thanks of the 

 Academy were accorded to the respective Donors. 



Rev. D. D. Jeremy, m.a., and J. D. Hillis, m.d., f.e.c.s.i., were 

 elected Members of the Academy. 



Monday Evening, May 23, 1881. 



Sir Samuel Eeegitson, ll.d., v. p., in the Chair. 



The Rev. D. D. Jeremy, m.a., having signed the Roll, was admit- 

 ted a Member of the Academy. 



