1S64.] 



291 



[Chase, 



Astronomical Society, the Essex Institute, the Franklin In- 

 stitute, Dr. Roehrig, and Prof. A. D. Bache. 



The death of Lewis Wain, a member of the Society, on 

 the 20th ult., aged 68, was announced by Prof. Trego, and 

 Prof. Cresson was appointed to prepare an obituary notice of 

 the deceased. 



Mr. Chase made a communication, in relation to the height 

 of the tides, as connected with atmospherical phenomena, and 

 the diurnal and annual motions of the earth. 



The following table furnishes material for many instructive com- 

 parisons, some of which deserve special notice on account of the addi- 

 tional confirmations that they furnish to the rotation theory. The 

 column headed " Observed Height of Barometer," gives the grand 

 mean of three years' observations at St. Helena : A represents the 

 theoretical height as computed by our formula ; B introduces such 

 modifications as would result from assuming the mean of the equa- 

 torial observations as a normal equatorial altitule. 



