The deltaic portions are of course a dead level; and the highest hills within the district in the western or frontier tract do not exceed 2500 ft.
Owing to the deltaic nature of the Nile Valley, the fields on the banks are 3 ft.
The climate of Bhagalpur partakes of the character both of the deltaic districts of Bengal and of the districts of Behar, between which it is situated.
The worst cattle are to be found always in the deltaic tracts, but there their place is to a large extent taken by buffaloes.
These branches enclose a deltaic formation, a low tract of marshy alluvium known as the Lezirias, traversed by several minor channels.