The greater part of this trough is over 600 fathoms deep. The profusion of islands and their usually bold elevation give beauty and picturesqueness to the sea, but its navigation is difficult and dangerous, notwithstanding the large number of safe and commodious gulfs and bays.
Massive walls, substantial edifices, commodious seaports, good roads, were the benefits conferred by this new government on Italy.
The public buildings include the town hall, a fine and commodious house on the site of the old tolbooth; the Falconer museum, containing among other exhibits several valuable fossils, and named after Dr Hugh Falconer (1808-1865), the distinguished palaeontologist and botanist, a native of the town; the mechanics' institute; the agricultural and market hall; Leanchoil hospital and Anderson's Institution for poor boys.
There are about ten commodious caravanserais and a number of colleges.
The government accordingly resolved to reopen the Lido entrance to the lagoon, and thus to afford a shorter and more commodious access from the sea.