a special entrance known to myself alone, 
and no very large fish, or shark can get 
through it. I only hope that we can 
reach it without being seen.” 
But it was a vain hope. No sooner 
were the words uttered, than some in¬ 
stinct caused the Pilot to glance hastily 
behind him, and there, well in the rear 
to be sure, but moving towards them with 
uncomfortable swiftness, were two large, 
dark moving bodies. 
“ Sharks ! ” cried Sammy in terror. 
“ Sword-Fish ! ” said the more experi¬ 
enced Pilot. “ Follow me and swim for 
your life 1 ” 
Away he darted, heading in a straight 
line for the high reef, away darted 
Sammy after him, and on came the mur¬ 
derous Sword-Fish. Faster and faster 
swam the pursued, and faster and faster 
the pursuers. On they came, nearer, 
