Every moment was a revelation of the power that dwelt in them, of the beauty of order, of the grace of harmonious action.

As in the great world, a single intractable spirit might have produced a heap of confusion, and it was the purpose of the organization to bring each into harmony with the whole.
The fleet reached the mouth of the river.

Tony had placed buoys on the dangerous rocks each side of the channel, so that the boats, by approaching it in the right direction, could easily pass through in safety.
The Dip had been provided with a large number of these buoys.

They were pieces of board, part of them painted red, and part blue, with a line and weight attached to each.

Near the dangerous rock or shoal one of these buoys was to be located, which would be kept in place by the weight.