Twenty Years After by Alexandre Dumas Chapter 72 Page 9

Athos followed him before the felucca rose again on the waves; the cable which tied the boat to the vessel was then seen plainly rising out of the sea.

D’Artagnan swam to it and held it, suspending himself by this rope, his head alone out of water.

In one second Athos joined him.

Then they saw, as the felucca turned, two other heads peeping, those of Aramis and Grimaud.

“I am uneasy about Blaisois,” said Athos; “he can, he says, only swim in rivers.”

“When people can swim at all they can swim anywhere.

To the boat! to the boat!”

“But Porthos, I do not see him.”