METEOROLOGICAL JOURNAL FOR 1807,8. 



3G7 



talley, and the Other was placed on the top of a hill almost 

 directly north of the former, and ci yards above it ; a right 

 "line joining the two stations cannot exceed 500 yards. Neg- 

 ligence in one instance* and an accident in another, inter- 

 rupted the series of observations in the first year, but the 

 latter is complete ; and I think the whole goes to prove the 

 results of the two gauges to differ less in summer, than they 

 do in winter. 



As for the table, no part of it requires to he explained, Table explains 

 except the fifth column, marked Ratio. To form this, the 

 numbers in the third column are multiplied by 1000, and 

 divided by the corresponding numbers in the second; so 

 that the lower exreine of the monthly mean range is invaria- 

 bly denoted by 1000, and the higher by the number, which 

 stands in the fifth column opposite to any particular mouth. 



cd. 



