Chapter 4 No.4

The Percy Isles: anchorage at No. 2.

Boat excursions.

Remarks on the Percy Isles; with nautical observations.

Coral reefs: courses amongst them during eleven days search

for a passage through, to sea.

Description of a reef.

Anchorage at an eastern Cumberland Isle.

The Lady Nelson sent back to Port Jackson.

Continuation of coral reefs;

and courses amongst them during three other days.

Cape Gloucester.

An opening discovered, and the reefs quitted.

General remarks on the Great Barrier;

with some instruction relative to the opening.