(1

198 l 1 atoll*

*(Clipperton is undoubtedly an atoll. w)

204 l 12 from foot Malden*

15 Starbruck*

*(Starbruck and Malden are fringed. — w)

205 Souv l 3 Souvaroff*

*(Souforoff is a complete atoll. — w)

209 l 5 "west*"

*(Rose Island is at the east, not end of Samoa: it is an atoll. — w)

211 l 15 "GROUP*"

*(The Fiji Islands contain every description of reef. w)

(2

212 l 11 after "red" insert "(There is an extinct volcano on the island)*

add foot note:—

*From a note from the above addition pencilled in C. Darwin's copy of 'Coral Reefs'

214 l 17 fr foot: for "Two islands Aur Kawen" read " Three islands Aur, Kawen"

214 last line "instances*"

*(There are fringing reefs in various parts of the New Hebrides. No barrier reefs are yet known, but the charts are still very imperfect.— w)

216 l 1 Islands Banks*

*(Banks Islands are fringed in parts. — w)

217 l 15 Beaupré*

*(Beaupré is an atoll. — w)

(3

219. l 10 for "B. de Caudelaria" read "B de Caudelaria*"

l 10 Caudelaria*

*(B de Caudelaria is a perfect atoll.) — w

222 l 4 for Nalan read Ualan??

229 l 3 for "S.E." read "S.W."

233 l 5 fr foot for "this island" read "these islands"

242 l 17 18 fr foot "fringing*"

*(There are fringing reefs le of 4 1/2 miles in width to leeward, and of a few yards to windward. Outside the water shoals gradually. The Island is high and basaltic with upraised coral in many places.— w

4

243 l 17 Galega*

*(Platte, Coetiri and Galega have narrow fringing reefs. — w)

244 l 1 atoll*

*(Juan de Nova is an imperfect atoll: & it is raised on the eastern, or weather, side, and while the western part is submerged. — w)

244 l 154 "volcano atoll"+

+ (It is an upraised atoll 22 miles long (.) It presents a cliff of 20 feet in height to the sea & to the lagoon (which last) (the latter) is nearly dry at low water. — w)

246 l 4 for 32° read 22°

246 last line AFRICA*

*(The whole of the eastern coast of Africa from the equator to Mozambique (at least) is of upraised coral. The same may be said of the outlying islands.

In Zanzibar undoubted coralline limestone exists at 100 feet above the sea level.

(5

246 footnote continued

Fringing reefs exist everywhere, due formed partly by the sea having won back the upraised coral and partly formed by living coral. In Zanzibar undoubted coralline limestone exists at 100 feet above the sea level. — w)

251 (l 4 from foot "Dhalac*") *(The Dhalac group of islands are of upraised coral. In many parts of the Red Sea coast the low coral cliffs give evidence of upheaval. There are nevertheless reefs that would be classed as barrier-reefs on both sides of the central part of the Red Sea.— w)