77 



Leafing, Flowering, and Fruiting of a Few Standard Flant9 

 in the Royal Society's Gardens during the Month : — 



lOtlh. Gooseberry bushes commeDcing to leaf. 



12th. Horsechestnut buds breaking. 



14th. Sambucus Niger commencing to flower. 



20th. Elm commencing to flower. 



22nd. Poplar commencing to break, 



^th. Apricots commencing to flower. 



Barometer mean, 29 '95210,, being 0.169in. above the average. 



Temperature mean, 50.60*, being 1*90° above the ditto. 



Solar intensity mean, 83'70°, being 270° above the ditto. 



Dew point mean, 41'80°, being 0.93° above the ditto. 



Humidity of air mean, "73 being 3^ per cent, below the ditto. 



Elastic force of vapor mean, '267, being 3^ per cent, below ditto. 



Total amount of rain, 0"93in., being I'loin. below the ditto. 



Increase of spontaneous evaiioration on rainfall, 2'07in. 



Mean amount of ozone, 7 "79, being 0'62 of chromatic scale above ditto. 



Electricity active on the 17th, 23rd, 24th, 25th, 27th, and 29th. 



On the 25th and 26th, with full moon, over a thin layer of cum-cir and 

 cum-stra clouds, was produced complete Coronas with several series of 

 concentric-colored circles from three to four degrees in diameter. 



FRANCIS ABBOTT. 



