PEECOLATION, AND EVAPORATION. 



69 



Table XIV, — Percolation through 3 feet of Soil with grass 



GROWING ON the SURFACE ; AND EVAPORATION FROJI THE 

 SURFACE, BEING THE DIFFERENCE BETWEEN THE PERCOLATION 



AND THE Rainfall; at Lea Bridge, 1st April, 1852, 

 TO 31sT March, 1873. 



Table XV. — Rainfall, and Evaporation from the surface of 

 "Water, at Lea Bridge, 1st April, 1860, to 31st March, 1873. 



