[Illustration: CORALS OF MANY KINDS.]

That very strange creature, the Pipe-fish, has the most peculiar nursery
of all. He uses no building material! No made-up nest of weed or sand
for him! No, he prefers to carry his eggs in his pocket. To be more
exact, there is a small pouch under his body, and there the eggs are
kept until they hatch. Meanwhile, the Pipe-fish goes about his affairs
in the pool as if nothing particular had happened. You will see more
about this funny little fish when we come to our lesson on "The Fish of
our Rock-pools."


EXERCISES

1. What are the eggs of the Skate and the Dog-fish like? 2. How does the
Sea-stickleback build his nest? 3. Where would you find the Sand Goby,
the Pipe-fish, and the Sea-stickleback? 4. How does the Sand Goby build
its nest?



LESSON V

THE OGRE OF THE DEEP

The ogre of the fairy-tale is bad enough, but, for evil looks, the
Octopus is worse still. With his tough, brownish skin, knobbed like the
toad's back, his large staring eyes, his parrot's beak, and ugly bag of
a body, the Octopus is a horrid-looking creature. Add to this eight long