IRRIGATION IN UPPER INDIA. 143 : 
6,000 cubic feet per second. The carrying capacity of the other 
canals mentioned varies from about 1,200 cubic feet per second in 
the case of the Eastern Jumna Canal to about 5,000 cubic feet per 
second in the Sirhind Canal. : 
€ principal systems of “inundation canals’ are those taken 
from the Sutlej, the Chenab, and the Indus. They are on a much 
permanent canals such as those already mentioned. en canal 
Irrigation on an extensive scale had been commenced by the 
Government of India, the necessity for special legislation became 
Principal watercourses, which run either along the main watersh 
of the doab parallel to the canal, or else strike off along the water- 
impor 
Canal and its b; qual to 
Sam ranches has been shown to be scarcely equal 
i. supply in twenty-fourhours. The loss under the first head, 
“18 by percolation and absorption, is considerable ; but it is 
