WEATHER AND WEATHER-GLASSES. 19 



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SEPTEMBER, 1866. King Cross, Halifax. 



* Reduced to sea level, and corrected for capillarity', index error, 

 temperature, and diiu-nal range. 



(1) In shade. 



(2) i.e., greatest heat in shade during the day. 



(3) i.e., greatest cold in shade during the night. 



(4:) The munbers represent pressure in pounds on the square foot. 



(5) A cloudless sky is called : an overcast sky 10. 



(6) Scale 1 to 10. 



(7) Complete saturation, 100. Joseph Gledhill, F.M.S. 



