APRIL, 1874. 



Private Observatory, Hobart Town. 



•H ^ a p 



^ Ss "3 



c ?- S 



111 



43 ^ O 



So" 



^> 



c-S 5'-' >> 



^ S 



H 3 





B 0) H 



Barometer mean, 29-847in., being 065in. below the average. 



Temperature, mean, 60-20', being 4-87° above the ditto. 



Solar intensity, mean, 89-0°, being 12-74' below the ditto. 



Dew point mean, 48-7', being 1-53° above the ditto. 



Humidity of air mean, -68, being -08 per cent, below the ditto. 



Elastic force of vapour mean, -356, being -027 per cent, above the ditto. 



Total amount of rain, l-59in., being 18in. below the ditto. 



Increase of evaporation on rainfall l-20in. 



Mean amount of ozone 5 SO, being 126 of chromatic scale below ditto. 



Stroug southern lights on the 7th. 



A fresh fall of Snow on Mount 'Wellington on the 15th. 



FRANCIS ABBOTT. 



Leafing, Flowering, and Fruiting of a few standard plants in the Royal Society's 



Gardens during the month. 

 10th. — Elm leaves commence falling. 

 18th. — Coe's late red Plum ripe. 



20th. — Chinese Chrysanthemums commenced to flower. 

 25th. — Mountain Ash leaves commenced to fall. 



,, — Seeds of Hornbeam ripe. 

 30th.— Leaves of Black Mulberry falling. 



