DELTAS. 



27 



Fig. 18.— Delta of the Nile. 



delta of the Nile is 100 miles long and 200 miles wide at its base ; that 

 of the Ganges and Brahmapootra is 220 miles long and 200 miles wide 

 at its base, comprising an area of 20,000 square miles. The delta of 

 the Mississippi (Fig. 19) is very irregular in form, and is an admirable 



Fig. 19.— Delta of the Mississippi. 



