MARCH, 1873. 

 Pkivate Observatory, Hobart Town. 



Barometer mean, 29-969in., being 0-092in. above the average 



Temperature mean, 61-40°, being 1-48° above the ditto 



Solar intensity mean, 99 0°, being 4-50° below the ditto 



Dew point mean, 498°, being 0-58° above theditto. 



Humidity of air mean, 58, being -13 per cent, below ditto. 



Elastic force of vapour mean, '375, being 018 per cent, above the ditto. 



Total amount of rain, 2-36in., being 0-70in. above the ditto. 



Increase of rain-fall on spontaneous evaporation 



Mean amount of ozone, 8 10, being 99, of chromatic scale above ditto. 



Electricity active on the 1st, 5th, 6th, 11th, 13th, 15th, 16th, 22nd and 23rd 



An Aurora with coloured corruscations on the 9th 



Lightning on the 20th. 



Leafing, Flowering, and Fruiting of a few Standard Plants in the Royal Society's 



Gardens, during the month. 

 10th.— Tips of Hornbean commencing to turn yellow. 

 14th.— Coe's golden drop plum ripe. 



. . ripe. 



10th.— Seckle pear commencing to ripen. 

 18th.— Tips of elm turning yellow. 

 24th.— Horsechestnut leaves turning brown. 

 26th. — Ash leaves turning yellow. 

 31st. — Oak leaves commencing to fall. 



FRANCIS ABBOTT. 



