220 PROCEEDINGS OF THE AMERICAN ACADEMY 



fluctuating ; the state of the market being affected by many influences, 

 some permanent and regular, others casual, and all together making 

 the price of wheat, or any other article of daily consumption, or the 

 wages of labor, just as uncertain as the worth of money itself. This 

 subject requires a more careful investigation than it has yet received." 



Four linndred and t^vcnty-second meeting. 



January 8, 1856. — Monthly Meeting. 



The President in the chair. 



The Corresponding Secretary read letters from Dr. John 

 C. Dalton, Jr., Rev. Dr. M. C. Curtis, and Dr. C. W. Short, 

 accepting their appointment as Associate Fellows. 



Dr. A. A. Gould exhibited some engraved stones found in 

 the vicinity of Beyrout, bearing Phoenician characters, and 

 purporting to be of great antiquity. 



Professor Levering exhibited a specimen of copal contain- 

 ing lizards, belonging to Captain Bertram, of Salem. 



Professor W. B. Rogers, referring to the ozonometer ex- 

 hibited by him at the last meeting, stated that he had re- 

 cently been testing it ; and had observed, during the great 

 snow-storm of January 6th, that the quantity of ozone in the 

 atmosphere was very great. At the time of the present meet- 

 ing there was scarcely any. 



Professor Rogers also gave an account of an experiment of 

 allowing the water from a Cochituate pipe to flow with full 

 force into a glass globe, having an outlet the axis of which 

 was at right angles to that of the orifice by which it entered. 

 After a short time, the water in the globe took on a rotatory 

 motion about the axis of the outlet, and a column of air 

 was seen to enter from the outlet in the centre of the stream 

 of water, and extend more or less deeply into the globe in 

 proportion to the force with which the water was allowed 

 to enter. When the experiment was tried with a globe with 

 two outlets, at opposite sides, the air column passed quite 

 through it, and the water escaped as a hollow expanding 

 cylinder at each orifice. 



