in order to af certain the height of Mountains . 597 
Table of heights, Sec. continued. 
-|- or — the 
Seine at Paris. 
Above the 
Mediterraneans 
t is, quand les * j 
fur FechelU du ? 
3&i 
Paris, mean height of the Seine, that is, quand les- 
eaux fe trouvent a 13 pieds 9 pouces 
Pont Royal felon M. de la lande, 
Place of my own obfervatibns in the Rue Jacob, fecond- "1 
floor, — — - — J 
Mr. Messier’s obfervatory, at the Hotel de Clugny, 1 
flrfl floor, — * — — J 
Mr. de la l and e’s ditto, at the College Royal, flrfl- floor. 
Place of Monf. le Pere cottes’s obfervations at Mont- 1 
morency, io miles North of Paris, ■ — > J 
Stone -gallery of the Church on Mont Valerien, 
Depth of the cave of the Royal Obfervatory at Paris"! 
below the pavement, — — J 
The fame, according to Mr. de la lande, by a£hial\ 
meafurement, — — — / 
Height of the north tower of the church of Notre 1 
Dame above the floor, — — J 
— by a£tual meafurement, — — 
Chantilly, — — — 
Clermont, • — — - — - — ■ 
Amiens, RuedeNoyon, flrfl-floor, — 
Abbeville, flrfl-floor, — - — - 
Below the mean 
height of the Seine 
Boulogne, mean level of the fea, from one obferv. only, 
Calais, ditto, from one obfervation, — — 
Dover, ditto, from three obfervations made two years! 
preceding thofe at Calais and Boulogne, — J 
Mean height of the river (°) Thames at London above 'j 
the mean height of the river Seine from five direct 
comparifons with Mr. messier, — 
And confequently the Thames at London above the fea, 
Warwick, mean level of the river Avon, — 
Shuckburgh-houfe, in Warwickfhire, — 
(o) By the mean height of the river Thames is underflood when the wat ei 
is feet below tke pavement in the left-hand arcade at Buckingham-ftairs*. 
+ 57 
72 
IOI 
333 
473 
98! 
98 
220| 
2l8| 
JI9 
3 2 9 
147 
79 
—33-9 
-38.8 
—36.6 
* 
+ 6.8 
43 
*55 
— 
560 
