XLVI. 



England. — Plymouth. Lat. 50° 22' N. Long. 4° T W. Greenw. 



Corrections to be applied to the Means of the Hours of Observation to obtain the true 

 Mean Temperatures of the respective Days, Months, and of the Year. — Dove. 



Degrees of Reaumur. 



The numbers without sign must be added ; those with the sign — must be subtracted. 



E 56 



