Trigonometrical Survey . 
475 
The ground at Rook’s Hill depr. 14, 51 
at Butser Hill depr. 5 54, 
at Bagshot Heath depr. 23 12 
at Highclere depr. 10 42 
0 ?z Rook’s Hill. 
The ground at Hind Head elev. 3 9 
at Chanctonbury Ring depr. 1 35 
at Bow Hill - depr. 1 5 
at Portsdown - depr. 1 6 22 
At Butser Hill. 
The ground at Highclere depr. 9 29 
at Hind Head - depr. 4 44 
at Motteston Down depr. 15 27 
At Chanctonbury Ring. 
The ground at Rook’s Hill depr. 10 46 
at Hind Head depr. 4 20 
at Leith Hill depr. 1 13 
atBeachyHead depr. l6 27 On the half scaffold: the 
axis zo\ feet high. 
At Dunnose. 
The ground at Nine Barrow 
Down - - depr. 15 37 
at Dean Hill depr. 17 24 
mdccxcvii. 
30 
