S. America. — Rio Janeiro. 



XVII. 

 Lat. 22° 54' S. 



Long. 43° 16' 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. 



E 



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



27 



