MAY, 1873. 



Private Observatory, Hobart Toww, 



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Barometer mean, 29-844° in., being -037in. below the avernge. 



Temperature mean, 53-80', being 3-18° above the average. 



Solar intensity, mean 81 11°, being 105° below the ditto. 



Dew point mean, 46 1°, being 2 24" above the average. 



Humidity of air, mean •74,bdng -06 per cent, below ditto. 



Elastic force of vapour mean, -309, being '005 per cent, above ditto. 



Total amount of rain, lOOin., being 0-08in. below the ditto. 



Increase of spontaneous evaporation on rain fall 0-22in. 



Mean amount of ozone 8 0, being 7 15 of chromatic above ditto. 



Electricity active on the 1st, 2nd, 5th, 9th, 10th, 12th, 14th, 15th, 17th, 20tTi, 2rst, 

 22nd, 23rd, 27th, 28th, and 30th. 



lightning on the 3rd. Snow on Mount Wellington on the 17th. High winds on the 

 7th and 9th. 



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

 Gardens during the month. 

 15th.— Coronella Glauca, commencing to flower. 

 20th.— Photinia Serrulata, ditto ditto. 

 26th. — Diosma alba, ditto ditto. 

 28th. — Spiroea rrunifolia I'lono, ditto ditto. 

 30th.— Ailauthua leaves aU faUen. FRANCIS ABBOTT 



