Photo by W. Saville-Kent, F.Z.S.] [Milford-on-Sea.

PORTION OF THE GREAT BARRIER REEF OF AUSTRALIA.

Showing soft or leathery and other corals.

Photo by W. Saville-Kent, F.Z.S.] [Milford-on-Sea.

ANOTHER PORTION OF THE GREAT BARRIER REEF.

Composed chiefly of stag's-horn corals. This coral varies in colour, being sometimes brown with white tips, in other instances grass-green or even brilliant violet.


CHAPTER VI.