For a while they had not energy to get into the water, but lay on their faces, looking down, down, down, at the sea-fans and sea-feathers, the scarlet-plumed barnacles and corals, the black and yellow schoolmistress-fish, the rainbow-fish⁠—all that forest of ideal Christmas trees which is a tropical sea-bottom. Then they stood up, giddy and seeing black, and in a trice were floating suspended in water like drowned ones, only their noses above the surface, under the shadow of a rocky ledge.