In that case any splash we might make would not be heard.
"Swimming along to the corner of this face of the fort, we would turn and keep along until we reached the spot where the cut runs to the river.

Crossing the moat to that would be the most dangerous part of the business, and we ought, if possible, to dive across.
There is a low wall there, and a cheval-de-frise on the top of it.
We should have to get out by the side of that, and then either swim along the cut, or crawl along the edge of it till we get to the river.
"Then we must crawl along under the shelter of its banks towards the town, till we get to a boat hauled up, or swim to one moored a little way out in the stream.

Then we must row up the river for some distance, and land." "That all seems possible enough, Drummond," Captain Ritzer said; "but what about our uniforms ?" "We must leave them behind, and swim in our underclothes.

I should say we should take a couple of suits with us.

We could make them up into bundles, and carry them on our heads while we swim.