Russia. — Catharinenbueg. 



LXVI. 



Lat. 56° 50' N. 



Lonff. 60° 34' E. 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. 



E 



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



73 



