IRRIGATION IN INDIA. 649^ 



and the most important structures situated in the Ganges-Jumna 

 Doab ; the great delta systems in the Madras Province, including 

 the Godavari weir and headworks at Dowlaishwaram, and the 

 Kistna weir and headworks at Bezwada ; also some more modern 

 imdersluices and anicuts at Shahatope. The construction of these 

 works and the extent of the areas irrigated by the various canals 

 and distributaries were fully considered. The lecture concluded 

 with a description of the Periyar project in Madura and the 

 diversion of the waters of the Periyar to the River ^'aigai by 

 means of a dam in the course of the former, and a tunnel through 

 the hills separating the valleys of the two rivers. 



