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.

CHAPTER V.

Passage from the Barrier Reefs to Torres' Strait.
Reefs named Eastern Fields.
Pandora's Entrance to the Strait.
Anchorage at Murray's Islands.
Communication with the inhabitants.
Half-way Island.
Notions on the formation of coral islands in general.
Prince of Wales's Islands, with remarks on them.
Wallis' Isles.
Entrance into the Gulph of Carpentaria.
Review of the passage through Torres' Strait.

CHAPTER VI.