220 
APPENDIX. 
Island : the east coast is said (Cook’s Second Voyage, vol. ii. 
p. 41) to be low, and to be guarded by a chain of breakers. 
In the accompanying chart it is seen to be fringed by a reef ; 
coloured red. — Mallicollo : Forster speaks of the reef- 
bounded shore : the reef is about 30 yards wide, and so 
shallow that a boat cannot pass over it. Forster, also, (Ob- 
servat. p. 23,) says that the rocks of the sea-shore consist 
of madrepore. In the plan of Sandwich harbour, the head- 
lands are represented as fringed ; coloured red. — Aurora 
and Pentecost Islands, according to Bougainville, apparently 
have no reefs ; nor has the large island of S. Espiritu, nor 
Bligh Island, nor Banks Islands, 1 which latter lie to the 
N.E. of the Hebrides. But in none of these cases have I 
met with any detailed account of their shores, or seen plans 
on a large scale ; and it will be evident that a fringing-reef 
of only thirty, or even a few hundred yards in width is of 
so little importance to navigation, that it will seldom be 
noticed, excepting by chance ; and hence I do not doubt 
that several of these islands, now left uncoloured, ought 
to be red. 
Santa-Cruz Group. — Vanikoro (Fig. 1, Plate I.) offers 
a striking example of a barrier-reef : it was first described 
by the Chevalier Dillon, in his Voyage, and was surveyed 
in the Astrolabe ; coloured pale blue.-— Tikopia and Fataka 
Islands appear, from the descriptions of Dillon and D’Urville, 
to have no reefs : Anouda is a low, flat island, surrounded 
by cliffs, (. Astrolabe , Hydrog. and Krusenstern Mem. vol. ii. 
p. 432) ; these are uncoloured. — Toupoua ( Otooboa of 
Dillon) is stated by Captain Tromelin (Annales Marit. 1829, 
p. 289) to be almost entirely included in a reef, lying at the 
distance of two miles from the shore. There is a space of 
three miles without any reef, which, although indented 
with bays, offers no anchorage from the extreme depth of 
the water close to the shore. Captain Dillon also speaks 
1 [Banks Islands are fringed in parts. — Capt. Wharton.] 
