POOLE — ON METEOEOLOGY. 51 



•excelleDt for the growth of oysters ; thev grow in such localities 

 very quickly, and become saleable in a comparatively short 

 space of time ; and this is the kind of soil that is so productive 

 at lie de Re and at Arcachon. Dry rocky ground is not so 

 suitable for the young oyster, as it does not find a sufficiency of 

 food upon it, and consequently languishes and dies. Marl is 

 the most esteemed, as the oyster finds plenty of food, constant 

 heat, and perfect quiet. 



Whether oyster-culture may be successfully practised in 

 Nova Scotia is a question that I have not treated upon, but it is 

 ^Yorth a trial ; it has clone much, very much lor the poor fisher- 

 men of France, having placed upon the shores of that country 

 7000 marine farms, affording employment to a very large pro- 

 poPtion of the population. 



Aht. VI. On the Meteohology of the Caledonia Coal 

 Mine, Little Glace Bay, Cape Breton, m 1867. Br 

 Henry Poole. 



(Read February 3, 1868. J 



The Caledonia Mine is situated in the County of Cape Breton 

 and Province of Nova Scotia, in North America, latitude 46o 12' 

 north, and longitude 59° 57' west from Greenwich. 



It is on the eastern side of the Island, about one mile distant 

 from the shore, and the house at which the observations have 

 been recorded is at an elevation of sixty feet above the sea. 



The tides have an average rise and fall of four feet. There 

 are no high lands in the neighbourhood. The land extends from 

 the east by south round to the north-west, w^hile from the north 

 and east the influe»ces of the Atlantic storms and currents are 

 felt in full force. Drift ice retarding the vegetation of spring, 

 and the Arctic currents lowering the normal temperature of 

 summer and autumn ; while the higher temperature of the sea, 

 ■and perhaps a partial influence of the Gulf Stream, keeps a milder 

 temperature in the early part of winter, and our Bay open for 

 navigation nuich longer than I have observed at Pictou and other 

 places in the same latitude but further removed from the ocean's 

 influence. 



