OF ARTS AND SCIENCES. 239 



when taken from the water, a fact recently ascertained by Dr. 

 Holbrook. 



Three hnudred and thirty-sixth meeting. 



August 14, 1850. — (Quarterly Meeting. 



The President m the chair. 



The Corresponding Secretary read a letter of acknowledg- 

 ment from Professor Karl Ritter of Berlin, in reply to a noti- 

 fication of his election as a Foreign Member of the Academy. 



On motion of Mr. Treadwell, it was voted, that Jonathan 

 P. Hall be appointed Meteorological Observer of the Academy 

 on the Rumford foundation. 



The nomination list was taken up, and the following gentle- 

 men were elected Fellows of the Academy : — 



Josiah D. Whitney, United States Geologist. 



Hon. John C. Fremont, of California. 



Prof. Stephen Alexander, of Princeton, N. J. 



Prof. J. S. Hubbard, of Washington, D. C. 



On motion of Professor Peirce, it was voted, that the next 

 statute meeting be held in the evening. 



Three hundred and thirty-seventh meeting. 

 October 1, 1850. — Monthly Meeting. 



The President in the chair. 



The Corresponding Secretary laid before the Academy let- 

 ters from Professor Encke of Berlin, and Professor Miiller, also 

 of Berlin, signifying their acceptance of the honor conferred 

 upon them by the Academy in electing them Foreign Hon- 

 orary Members. 



Professor Horsford presented a communication upon the 

 spheroidal state of bodies. He proposed to show that temper- 

 ature is not essential to the production of the phenomenon in 

 some cases, and that no new law is required for its explanation 



