PEECOL.\TIOX, AND EVAPOEATIOX. 



71 



SUrPLEMENTARY TABLES. 

 To Table I. — Mean Rainfall in Hertfordshire. 



To Table II. — Rainfall at Nash Mills, Hemel Hempstead. 



To Table III. — Rainfall at Kensworth. 



To Table IV. — Rainfall at Berkhamsted. 



To Table YI. — Rainfall at Rothamsted, Harpenden. 



