XX. 



597 



India. — Madras. Lat. 13° 4' N. Long. 80° 19' 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 Fahrenheit. 



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



33 



