SEPTEMBER, 1871. 

 Private Observatory, Hobart Tow?t. 



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LeaJing,Flovjering, and Fruiting of a few standard x)lants in the Royal Society's Gardens 

 during the month. 

 14th.— Ash commencing to break into leaf. 

 22nd. —Grape vines do do. 

 26th.— Oak do do 



27th.— Moutan Peony commencing to flower. 

 29th. — Horse chestnut do do. 

 30th.— Eobinia pseudo-Acacia commencing to leaf. 



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Barometer mean, 29 "Seein., being OlOSin. above the average. 



Temperature mean, 54 22', being 3 46" above the average. 



Solar intensity mean, 90-23°, being 1.69° above the average. 



Dew point mean, 441°, being 193' above the average. 



Humidity of air mean, "71, being 05 per cent, below the average. 



Elastic force of vapour mean, 298, being 009 percent, above the average. 



Total amount of rain, lOOin., being 0-48in, below the average. 



Increase of spontaneous evaporation on rainfall, 1 •50in. 



Mean amount of ozone, 8-35, being 39 of chromatic scale above the average. 



Electricity active on the 3rd, 4th, 5th, Sth, 10th, 10th, 21st, 22nd, 23rd, 24th, 25fll, 

 26th, 27th, 2Sth, 29th, and 30th. 



Fresh fall of snow on Mount Wellington on the 2nd and on the 9th, a heavy fall on 

 the mountain and low hills, remaining in abundance until the end of the month. 



FRANCIS ABBOTT. 



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