What do they mean?
Oh, I get you.

'Emerson Rocks,' eh?
But I don't see them!" "No, they're sunken.

The _Follow Me's_ running as near them as she dares, hoping that we'll try to cut the corner more and strike.

Those fellows know this coast as I know the inside of my hat! But we'll fool them this time!" So close to the submerged danger did the _Adventurer_ go that Perry, watching over the side, caught a glimpse of a dark mass under the green water.

Then the chase straightened out once more and Steve drew the throttle wide, experimented with the spark for a moment and sent the white cruiser surging along in pursuit.