All life originated in the sea and all land animals also came out of the watery depths Some warmblooded mammals have even returned to these parental waters Of the oceans denizens we probably know less than halfalmost any deep sea fisherman can tell of creatures caught in their nets which defy classification Therefore there may be more to the legendary of mermaids than the world cares to acknowledge In any case Robert Bloch who scarcely needs more than a hint to hang a good yarn on has gone to town with a story of the seacoast and something that came from offshore to wreak a queer turn on an incautious mortal