C 42 J 
\rj to vv^hich they belong, than to adorn a cabinet,' they'^ 
muft be more ufefal upon the fpot, than they polhbly 
can be elfewhere; which confideration will, 1 hope, ferve 
as my apology for not having tranfmitted them to the So- ; 
ciety with the.other fpecimens. It feems rather extraor- •. 
(Unary, -that fo curious.a tract as that -of the Euganean-. 
hills, which differs from all .others in Italy, fliourd have, 
remain.ed fo long unknow n, efpecially being, in the neigh- . 
bourhood of frequented baths, and a celebrated univer- 
fity. For though baccius, in his book De T’hermis, fup- 
pofes fubterraneous fire, to account for the heat of the., 
waters of Abano, and alfo mentions pumice hones about t 
the baths there; yet he means only the porous and cal- . 
careous concretions formed by depofition from thofe wa-r 
ters; nor does he feem to. have been at all acquainted j 
with the indifputable vulcanic phaenomena, which the : 
adjacent hills in plenty afford. Nor does v and ell i en-'’ 
ter into any obfervations of this kind, in his more mo- - 
dern and exprefs treatife Be ’l^bermis Pativinis'^ if we ex- - 
cept the mention of. the foITiI glafs of Val San Zibio, . 
which he feems to have firfl obferved. I therefore hope, , 
that the foregoing obfervations will be the more accepta- • 
ble. .It appears alfo from hence, if I miftake not, that the 
Venetian territory in general abounds full as much with 
vulcanic phaenomena, as any other part of Italy. For, . 
befides my obfervations in the Paduan, Veronefe, and ■ 
Vicentine teyritories, I have feen lava^ in the public mu-~. 
feum at Padua, from the Brefcian hills ; and have obferv- 
cd luv^ pebbles iii quaiitity in the beds of the rivers 
flowing 
