26 



Leafing, flowering, and fruiting of a few standard plants in the Royal Society's 



Gardens during the month : — 

 11th. Seckle Pear commencing to ripen. 

 14th. Tips of Hornbeam turning yellow. 

 21st. Tips of Elm turning yellow. 

 28th. Horse Chestnut leaves turning brown. 

 28th. Ash leaves commencing to fall. 

 29th. Oak leaves commencing to fall. 



Barometer mean, 39*874 inches, being 'OIT above the average. 

 Temperature mean, 59*02°, being 0*9G° below the average. 

 Solar intensity mean, 100*87°, being 4*13° ditto. 

 Dew point mean, 49*5°, being 0*56° above ditto. 

 Humidity of air mean, '76, being 5*5 per cent, ditto. 

 Elastic force of vapor mean, *781° being •023per cent, ditto. 

 Total amount of rain, 1*93 inches, being 0*41 inches above the average. 

 Mean amount of ozone 7*65, being 0*92 of chromatic scale, above the 

 average. 

 Increase of spontaneous evaporation on rain-fall 0*67 inches. 

 Mount "Wellington waa copiously mantled with snow on the 18th and 31st. 



FRANCIS ABBOTT. 



