ith index error applied: 31 49 2 S.

GARDEN ISLAND, PORT JACKSON.

By Fox's Needle A, corrected for index error etc.: 62 44 9 S.
By Fox's Needle B, corrected for index error etc.: 62 44 9 S.
By Fox's Needle C, corrected for index error etc.: 62 44 9 S.

BAY OF ISLANDS, NEW ZEALAND.

Near Kororareka Bay, by Fox's Needle A, corrected for index error: 59 37 6 S.
Near Kororareka Bay, by Fox's Needle B, corrected for index error: 59 44 2 S.
Near Kororareka Bay, by Fox's Needle C, corrected for index error: 59 28 1 S.
Mean: 59 36 6 S.

EAST FALKLAND ISLAND.

Near the Chaplain's House at Stanley, by Fox's Needle A, corrected for
index error: 52 19 6 S.
Near the Chaplain's House at Stanley, by Fox's Needle B, corrected for
index error: 51 43 3 S.
Near the Chaplain's House at Stanley, by Fox's Needle C, corrected for
index error: 50 58 8 S.
Mean: 51 40 6 S.

Zh Observation spot of the Erebus and Terror near the old settlement,
Berkeley Sound, by Fox's Needle B, corrected for index error: 51 25 6 S.

FAYAL, AZORES.

In the Consul's garden, Horta, by Fox's Needle B, corrected for index
error: 66 58 4 N.
In the Consul's garden, Horta, by Fox's Needle A, corrected for index
error: 67 26 9 N.
Mean: 67 12 6 N.

...

The following absolute determinations of the magnetic disinclination were
made with a declinometer, and A.M. and P.M. azimuths of the sun:

William Town, Port Phillip: 9 10 52 E.

Lagoon Bay, Port Dalrymple, Van Diemen's Land: 10 29 16 E.

Garden Island, Port Jackson, March and April 1848: 9 6 43 E.

Mound Islet, Rockingham Bay, North-east Coast of Australia: 6 19 43 E.

Lizard Island, North-east Coast of Australia: 5 46 7 E.

Evans Bay, Cape York, North coast of Australia: 4 42 31 E.

Garden Island, Port Jackson,March and April 1849: 10 9 10 E.

Moreton Island, East coast of Australia: 9 21 14 E.

Coral Haven, Louisiade Archipelago: 7 44 17 E.

Duchateau Isles, Louisiade Archipelago: 7 44 17 E.

Bramble Cay, South-east Coast of New Guinea: 4 22 37 E.

Kororareka Bay, Bay of Islands, New Zealand: 13 27 20 E.

Stanley, East Falkland Island, July 1850: 16 54 46 E.

APPENDIX 4.

ACCOUNT OF THE POLYZOA AND SERTULARIAN ZOOPHYTES, COLLECTED IN THE VOYAGE
OF H.M.S. RATTLESNAKE, ON THE COASTS OF AUSTRALIA AND THE LOUISIADE
ARCHIPELAGO, ETC. BY GEORGE BUSK, ESQUIRE F.R.S.

This collection includes about eighty-five species, distributed in
twenty-nine genera, and may perhaps be regarded as th