[ 44 ] 
fails’^ however juftifiaHe I might have been, by the im- 
portance of fome of them. For another imperfe6t bafal- 
tine columnar group, of which I have allb a drawing, 
exiifs near Gambellara, in the Veronefe territory, a few 
miles from Montebello ; and, according to the informa- 
tions I have received, they are equally prevalent in the 
adjacent diftridt of Vicenza. Do6tor festari, an inge- 
nious phylician of Valdagno, whofe curiolity I have for- 
tunately excited in thefe matters, lately informs me, that 
he has difcovered a limilar group of prifmatic cohtmns,. 
in the mountains of that neighbourhood ; and I had be- 
fore been apprized of another near Mafon, not far from 
BalTano, by Mr. arduini, a celebrated naturalift of Ve- 
nice. I have obferved fragments of prifmatic columns, 
about Mafon, but did not fee the group. When I was at 
San Giovanni Illarione, I was alfo informed, that, at fome 
diftance, by the tide of the torrent below, another fimilar 
group exifted. Nor have I the lead: doubt of the fre- 
quency of fuch phaenomena, efpecially in the Vicentine 
hills, where vulcanic effedts are more common even than- 
in the neighbouring territory of Verona. For of all the 
numerous lines, or branches, of mountains, that diverge 
from the chain of the Alps,, and interfecd:, nearly in par- 
allel dire6tions, the Vicentine diftricft, there is not one,, 
I believe, but what contains more or lefs lava^ and in 
quantity ; whereas many of the faid branches, in the Ve- 
ronefe territory, are exclufively marine and calcareous; 
efpecially in the immediate neighbourhood of Verona, 
about the Val Pantena, the Val Policella, and towards 
the 
