cornmeal, with which Johnny made an ash-cake, or, as Dick called it,
Johnny-cake. The captain said it was the best thing he had ever
eaten, and Dick engaged him on the spot as a camping companion on
his hunt for his chum.

[Illustration: "A SILVERY, TWISTING BODY SHOT TEN FEET IN THE AIR"]

The next morning the boys slept till the sun had risen and the
captain awoke them to look upon a gorgeous picture seldom to be
seen. The unclouded sun was shining brilliantly and the eastern sky
clear and bright, but in the west a storm was gathering. There were
snow-clad peaks brilliant with sunshine, thunder-heads black as
midnight from which lightning was playing, while above and beneath
them all shone a perfect double rainbow and an equally perfect
reflection of it from the mirror-like surface of the Gulf. So
perfect a double-circled rainbow the captain had never before seen,
and, though he lived near the coast, Johnny had never seen one at
all. By the time they had finished their breakfast of roast clams
and ash-cake the rainbow had melted away and the storm-clouds were
nearer, but Dick wanted to start on up the coast. The captain shook
his head and Johnny recited:

"Rainbow in the mornin', sailors take warnin'."

Half an hour later all hands were glad to run to the fisherman's
house, from the doorway of which they looked out upon storm-driven
sheets of rain that shut out the Gulf and fell in hissing masses
upon the palmetto roof that covered them, while the continuous blaze
of lightning and crash of thunder gave Dick his first taste of a
tropical thunderstorm. Half an hour later the sky was cloudless, the