391 



PART III. 



MISCELLANEOUS INTELLIGENCE. 



Art. I. Calendar of Nature. 

 Scotland. 

 Diagram, showing the Motion of the Mercury in the Barometer and Ther- 

 mometer, and the Dew Point, or the Mean of each, for every Ten Days in 

 the Months of April and May ; also the Mean Temperature of the Air 

 within 6 in. of a South Brick Wall, the Thermometer being shaded ; the 

 Depth of Rain in the Pluviometer, and the Quantity of Moisture eva- 

 porated in the Evaporating Gauge, during the same Period ; as extracted 

 from the Register kept at Annat Gardens, Perthshire, N. Lat. 56° 23§', 

 above the level of the sea 172 ft., and 15 miles from the coast ; being the 

 mean of daily observations at 10 o'clock morning and 10 o'clock evening. 



103 



The lines marked b show the motion of the mercury in the barometer ; t sw the mean temper- 

 ature of the air near a south garden wall ; t the mean temperature in the open air, and in the shade ; 

 and d the dew point. 



