[40]And perhaps even that is doubtful, for it is not unlikely that after all, the palæozoic nautili may belong in reality to another genus. Twenty years hence will probably see no little change on our present identifications.
[40]And perhaps even that is doubtful, for it is not unlikely that after all, the palæozoic nautili may belong in reality to another genus. Twenty years hence will probably see no little change on our present identifications.