1840. 

 Feb. 24. — Observations on the Importance of Interna] 



Navigation in Ireland.— Mr. S. Holme. 

 March 9. — On the Sanatory State of Liverpool, the Causes 

 of its alleged Great Mortality, and the means 

 of Lessening them. — Mr. Cunningham. 

 „ 23. — On the Advantage of the Geographical Position 

 and Physical Formation of Great Britain, with 

 regard to Commerce and Manufactures. — Mr. 

 Fletcher. 

 April 6. — Statistical Account of the Harrington Free 

 School— Mr. J. B. Yates. 

 „ 28. — On Eefraction and Polarization of Light — with 

 Illustrative Experiments. — Mr. Brett. 



SESSION XXX. 



Nov. 2. — On the Polarization of the Chemical Rays of 

 Light. — Dr. Sutherland. 



„ 16.— (1) On the Patte of the Electric Discharge.— 

 Mr. H. Dircks. 

 (2) On Falling Stars.— Mr. /. B Yates. 



„ 30. — A Memoir on certain Influences, Secret and 

 Avowed, which in their Co-operation produced 

 the outbreak of the Greek Eevolution, in 1821. 

 —Dr. Bryce. 

 Dec. 14. — (1) Memoir on the "Three Carracci," (Pictures 

 then exhibited in Liverpool.) — Mr. Winstanley. 

 (2) On the Chemical Constitution of the Alcoholic 

 Ethers. — Dr. Brett. 



„ 21. — On the Law and Practice in regard to the Con- 

 stitution and Management of Joint Stock 

 Companies. — Mr. Swinton Boult. 



1841. 

 Jan. 11. — On the Holy Plays, or Mysteries of the Middle 

 Ages, with an account of a Sacred Drama, 

 performed in 1840, at Oberammagau,in Upper 

 Bavaria. — Mr. J. B. Yates. 



„ 25.— On the Art and Success of teaching the Blind, 

 at the Liverpool Asylum, to read by Arbitrary 

 Signs, according to Frere's System. — Sir J. 

 Salusbury . 



