626 LIV. 



England. — Greenwich. Lat. 51° 29' N. Lo77g. 0° 0'. 

 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. 



Degrees of Fahrenheit. 



■Glaisher. 



The numbers wiihoul sign must be added ; those with the sign — must be subtracted. 



62 



