If you do not meet with a stream by that time, turn back.

You will have the wind free, then, and can be back here well before sunset.

Of course, if you find fresh water, you will at once return.
"Would you like to go with the boat, Mr.Lindsay ?" "Very much.

My hands are so sore, from hauling in the lines, that I am afraid I shall not be able to help in the fishing, tomorrow." The party started early.

It consisted of ten men, the coxswain, the midshipmen, and Harry.