590 MR. GLAISHER ON THE THERMOMETRICAL OBSERVATIONS TAKEN AT 
Table XXL (Continued.) 
The mean temperature from all the observations 
o 
For the quarter ending March . 31 was 38*3, 
„ June . 30 was 52T, 
„ September 30 was 59'4, 
„ December 31 was 43‘4, 
and for the year from all the observations was 48°'29. 
By taking the difference between these numbers, and those contained in the pre- 
ceding Table, the next Table is immediately formed. 
