1857.] General Monthly Meeting, 439 



posed of snow crystals, in every form and rich developement of the 

 original hexagon, affording the materials for a new aera in archi- 

 tecture, and designs from Nature's hand for a crystal palace. 



In acoustics, several interesting phenomena were noticed. The 

 sound of London rolled westward as far as its smoke, but was lost 

 above the clouds, where the most intense silence prevailed, as also 

 near the surface of the earth, showing that sound ascends. 



The electrical phenomena of lightning, hail, the peculiar forms 

 of thunder clouds, and the aurora borealis, were beautifully illus- 

 trated with the instruments of the Institution ; and photographs of 

 natural clouds were exhibited, as also a method of introducing 

 them by a second's negative in printing landscapes. 



[E. v.] 



WEEKLY EVENING MEETING, 



Friday, May 29. 



Sib Henry Hoij:.and, Bart. M.D. F.R.S. Vice-President, 

 in the Chair. 



Professor A. J. Scott, 

 (of Owen's college, Manchester.) 



On Physics and Metaphysics. 

 \_No Abstract received.'] 



GENERAL MONTHLY MEETING, 

 Monday, June 1. 



"WiJLLiAM Pole, Esq. M.A. F.R.S. Treasurer and Vice-President, 

 in the Chair. 



Charles Tilston Bright, Esq. and 

 A. Colyar, Esq. 



were duly elected Members of the Royal Institution. 



Edmund Packe, Esq. 

 was admitted a Member of the Royal Institution. 



