carnal As Soc, Bengal, Vol. LTI. r Pt. T 1B33- 
fig. iv. 
END OF DRAIN CULVERT AND SUMPH THROUGH W. CURTAIN. 
FIG.V. 
— IQ3jX)1 2 - Fie or l&velb nt_ Flew Building _ 
Datum line, 
tat- 5 
SECTION OF DRAIN AND SUMPH 
LOOKING SOUTH. 
PLAN OF S.E. BASTION WITH CONJECTUREO 
ARRANGEMENT OF BLACK HOLE. 
Firm 
REMAINS OF OLD FORT WILLIAM, CALCUTTA. 
