XXX. 605 



Siberia. — Nertchinsk. Lat. 51° 18' N. Long. 119° 21' 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. 



TliP numhers wiihoiu dign must (k: ailileri ; ihnse with the sign — must be subtracted. 



41 



