[ 8io ] 
the greater axis will be p6p,6 parts ; by the letter 
^^The diftance from the inner to the outer wall will 
not anfwer to this meafure of the foot by any whole 
divifor. And that from the inner wall to the extre- 
mity of the upper ftep, divided by 174, gives but 
067-. But this difagreement will not appear extra- 
ordinary, when we confider that thefe distances are 
not Angle meafures, but the fums of nine or ten 
fmaller ones (6), and may therefore be liable to an 
error of fome inches. 
The letter parts are fo incorredly executed, that 
no ufe can be made of them. And the heights of the 
four orders, and of their parts, are fo irregular as not 
eafily to be accounted for. 
The amphitheatre at Verona. 
The principal meafures in this building anfwer to 
the Greek foot j which is not the fubjedt of the pre- 
fent inquiry. 
The arch of Titus. 
This edifice is fo ruined, that we have not the mea- 
fure of the extent of its front. 
The depth of the folid is 14 feet 
7 inches, = I 5537 ’ 1 — 
The width of the entrance, 1 6 feet 
4 inches, = i 74 OI i 5 - ” - 
The (hafts of the columns, 16 feet 
2 inches, = 17223,97 
16). . . (97 1 — 
18) . . • (966,7 
i7f)...(97°>9 
(6) See the fe&ion, PI. 3. 
The 
