20 



REPORT AN1> OBSBBVATIONS ON 



of spring water in dry weather is greyer in proportion to 

 the extent of drainage ground. 



In December, 1844, no rain fell, and yet the springs 

 yielded a quantity of water equal to a depth of 1 inch over 

 the whole drainage ground, the mean volume of the stream 

 being the same as in August, 1847, in which month the fall 

 of rain was 3^ inches. 



The following table shows the fall of rain for the year 

 1847, and for the two last months of 1846, at all the places 

 in the district at which rain gauges have been put down. 



