Stretch out your hand, Collins.

Can you feel a shelf of rock ?" "It's just in front of me," was the stifled answer.
"That's for the stuff.

Down with it." For a few moments Collins was busy.

Then, with a little gasp, he gripped Granet's arm.

His voice, shaking with nervous repression, was still almost hysterical.
"They're coming, Granet! My God, they're coming!" Both men turned seaward.