board with a proper crew, directed him to cross the Channel to the
English coast, and then to cruise along the land for some miles in each
direction, to observe where were the best harbors and places for
landing, and to examine generally the appearance of the shore. This
vessel was a galley, manned with numerous oarsmen, well selected and
strong, so that it could retreat with great speed from any sudden
appearance of danger The name of the officer who had the command of it
was Volusenus. Volusenus set sail, the army watching his vessel with
great interest as it moved slowly away from the shore. He was gone five
days, and then returned, bringing Caesar an account of his discoveries.

[Sidenote: Caesar collects vessels.]

In the mean time, Caesar had collected a large number of sailing vessels
from the whole line of the French shore, by means of which he proposed
to transport his army across the Channel. He had two legions to take
into Britain, the remainder of his forces having been stationed as
garrisons in various parts of Gaul. It was necessary, too, to leave a
considerable force at his post of debarkation, in order to secure a safe
retreat in case of any disaster on the British side. The number of
transport ships provided for the foot soldiers which were to be taken
over was eighty. There were, besides these, eighteen more, which were
appointed to convey a squadron of horse. This cavalry force was to
embark at a separate port, about eighty miles distant from the one from
which the infantry were to sail.

[Sidenote: Embarkation of the troops.]

At length a suitable day for the embarkation arrived; the troops were
put on board the ships, and orders were given to sail. The day could not