130 



Presents. 



[Jan. 6, 



current of carbonic anhydride sent through the mixture. Not the slightest 

 reaction was perceptible in the cold. The sodium remained perfectly me- 

 tallic-looking, even after the expiration of twenty-four hours. On gently 

 heating the liquid for a few minutes, a vigorous reaction at once set in ; 

 the mass became suddenly very hot, and gave off abundant fumes of hv- 

 drobromic acid and a small quantity of a thick oily liquid boiling at a high 

 temperature, and possessing the character of the distyrolyl, 



C 8 H 5 .C 2 H 4 ) 



C 6 H..C.HJ ' 

 described by Berthelot was produced, 



C 6 H 5 fC 2 H 4 

 2C 6 H 5 {C 2 H 4 Br + Na 2 = | \ + 2BrNa. 



The Society then adjourned over the Christmas Recess to Thursday, 

 January 6 th, 18/0. 



January 6, 1870. 



Lieut.-General Sir EDWARD SABINE, K.C.B., President, in 



the Chair. 



The Presents received were laid on the Table, and thanks ordered for 

 them, as follows : — 



Transactions. 



Birmingham : — Institution of Mechanical Engineers. Proceedings, 1868, 



28, 29 July. Leeds Meeting, Part 3, Nov. 5 ; 1869, April 29. 8vo. 



Birmingham. The Institution. 



Cadiz : — Observatorio de Marina de la Ciudad de San Fernando. Alma- 



naque Nautico para 1871. 8vo. Cadiz, 1869. The Observatory. 

 Cherbourg : — Societe Imperiale des Sciences Naturelles. Memoires. 



Tome XIII. 8vo. Paris 1868. The Society. 



Coimbra : — Observatorio da TJniversidade. Ephemeris Astronomicas 



para o anno de 1871. 8vo. Coimbra 1869. The Observatory. 



Danzig : — Naturforschende Gesellschaft. Schriften, neue Folge. Band II. 



Heft II. 8vo. Danzig 1869. Two copies (one with Photographs). 



The Society. 



Habana : — Colegio de Belen. Observaciones Magneticas y Meteoro- 

 logicas. Afio Meteorologico de 30 de Noviembre de 1867, a 30 de 

 Noviembre de 1868. 8vo. Habana 1869. The College. 



London : — British Museum. Hand-List of Genera and Species of Birds, 

 by G. R. Gray. Part I. 8vo. London 1869. Catalogue of the Spe- 

 cimensof Dermaptera &a7taforc'a, by F.Walker. Part 2. 8vo. London 

 1869. Guides to the First and Second Tase Rooms. 12mo. London 



