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   On the other fide of the Periflylium finds the Oaagonal Temple (h),
 dedicated to Jupiter (I), who was worfhipped by DIOCLESIAN with peculiar
 veneration, and in honor of whom he aflumed the firname of Jovius. This
 Temple is of that kind, which Vitruvius calls Perypteros, i. e. Surrounded
 with one row of columns, having an intercolumnation or fpace between them
 and the wall. Its intercolumnations are more than Areoflyles, i. e. upwards
 of four diameters. It is lighted by an arched window over the door, and
is
 vaulted beneath like that of AMfculapius. The dome over it is of bricks
 confiruded in a very fingular and ingenious manner, which, together with
 its walls, are of fuch folidity as to have refified, almoft unhurt, the
injuries
 of fo many ages; and I have even obferved feveral of the tyles upon the
roof
 fill diffind~ly impreffed with the Roman fRamp, S. P. QL R.    It is at
prefent
 the Cathedral Church of Spalatro, and is confecrated to the Virgin Mary,
and
 St. Domrnius.
   This Temple is fituated nearer to th.Z Periftylium than the other; the
reafon
of which feems to have been in order to gain fpace behind it for a Sacellum
(i),
where facrifices might be offered on an altar looking towards the Eaft, which,
according to Vitruvius, was a circumftance not to be difpenfed with.
   The common opinion at Spalatro, which has been received without exami-
nation by feveral travellers, is, that there were four Temples within the
precinats of the Palace. That apartment which for many reafons I have con-
fidered as the Veftibulum of the Palace, has hitherto been taken for one
of
thefe Temples. Of the fourth no veftige whatever is to be found, though I
fearched for it with great care. Were the controverfy of much importance,
it
might eafily be fhewn, that there is no good authority for fuppofing there
were
formerly four Temples; but that in all probability none ever belonged to
this
Palace but the two which now remain.
(X) From Farlatus we have thele words of Petris Nicolinus, relating to this
Temple: Quod autem fcripfit platina,
id olim Cibelis fanum fuiff, longe abeft a Veritate, nemini quippe dubium
efe poteft quin vet s et profana
fiuperfitio illud Jovi dedicaverit. Jovis fimulachrum quod inibi collebatur
adhuc extat, Vifiturque in Mufio gentis
Apeflle, inter Patricias Vnentorum fardlias Antiqua qt Confpicum. J. S. Tom.
I. p. 49
In
I