CONTRIBUTIONS TO METEOROLOGY. 



53 



Table XXX the biirouicter iell, ou au average, 0.G5 inch in twenty-four liours in front of the storm, 

 and rose 0.55 inch in the rear of the storm ; that is, during the days named in Table XXX the 

 oscillation of the barometer was nearly seven times as great as during the days named in Table 

 XXXI. 



Table XXXI. — Barometric minima advancing not more than 240 miles in twenty-four hours. 



