THE 
AMERICAN 
JOURNAL OF SCIENCE AND ARTS. 
[THIRD SERIES] 
+ 
> 
ace, and from other sources LIAS 
of Natural Philosophy in Yale College. Fifth paper. With 
plates I and 11. 
[Read before the National Academy of Sciences, Washington, April 19, 1876.] : 
Low temperature of December, 1872. 
important stations. As the observations of the Signal Service 
have since been published in full, the phenomena of that period 
can now be discussed more satisfactorily. sd 
On the morning of the 17th the high pressure from Dakota 
Am. Jour. ystbiiee al Serres, Vou. XII, No. 67.—Juxy, 1876, 
