494 Mr. W. R. Birt on Atmospheric Waves. 



Table I. — Barolffetric Observations, November 184-2. 



The numbers in the columns immediately succeeding the names of the stations 

 indicate tlie initial inch of the barometric readings of the 1st and 14th of November, 

 the succeeding numbers are decimals ofan inch. Observations above 30 inches are 

 not underlined. Those between 29 and 30 inches have a single line — , and those 

 below 29 inches a double line =. 



