Pettiti, and Menabrea, is acquainted with the plan of the forthcoming
campaign. There was a rumour at Cialdini's headquarters to-day that the
Austrians had gathered in great numbers in the Polesine, and especially
at Rovigo, a small town which they have strongly fortified of late, with
an apparent design to oppose the crossing of the Po, were Cialdini to
attempt it at or near Lago Scuro. There are about Rovigo large tracts of
marshes and fields cut by ditches and brooks, which, though owing to the
dryness of the season [they] cannot be, as it was generally believed two
weeks ago, easily inundated, yet might well aid the operations the
Austrians may undertake in order to check the advance of the Italian
fourth corps d'armee. The resistance to the undertaking of Cialdini may
be, on the part of the Austrians, very stout, but I am almost certain
that it will be overcome by the ardour of Italian troops, and by the
skill of their illustrious leader.

As I told you above, the declaration of war was handed over to an
Austrian major for transmission to Count Stancowick, the Austrian
governor of Mantua, on the evening of the 19th, by Colonel Bariola,
sous-chef of the general staff, who was accompanied by the Duke Luigi
of Sant' Arpino, the husband of the amiable widow of Lord Burghersh.
The duke is the eldest son of Prince San Teodoro, one of the wealthiest
noblemen of Naples. In spite of his high position and of his family
ties, the Duke of Sant' Arpino, who is well known in London fashionable
society, entered as a volunteer in the Italian army, and was appointed
orderly officer to General Lamarmora. The choice of such a gentleman for
the mission I am speaking of was apparently made with intention, in order
to show the Austrians, that the Neapolitan nobility is as much interested
in the national movement as the middle and lower classes of the Kingdom,
once so fearfully misruled by the Bourbons. The Duke of Sant' Arpino is
not the only Neapolitan nobleman who has enlisted in the Italian army