TRANSACTIONS OF SECTION B. 



613 



January 24 of last season. The number of bad days on which little or no sun was 

 recorded lowers the average for the period under examination. It amounts to 

 7'05 mgms. per hour, whilst in January 1893, taking only the bright days, the 

 quantity was 9'34. 



I understand that the ordinary meteorological record was kept as usual, and 

 that the data are to be found in the ' Alpine Post ' for the days on which these 

 experiments were carried out. I append, however, a brief note as to the atmo- 

 spheric conditions in a separate column. 



