As a matter of fact, nothing could be more slothful or slow, more given up to a life of ease and degeneracy, than the "reef-building polypifer"--to give him his scientific name. He is the hobo of the animal world, but, unlike the hobo, he does not even tramp for a living. He exists as a sluggish and gelatinous worm; he attracts to himself calcareous elements from the water to make himself a house--mark you, the sea does the building--he dies, and he leaves his house behind him--and a reputation for industry, beside which the reputation of the ant turns pale, and that of the bee becomes of little account. On a coral reef you are treading on rock that the reef-building polypifers of ages have left behind them as evidences of their idle and apparently useless lives. You might fancy that the

