CHAPTER XV

DESCRIPTION OF THE GEOLOGICAL AND GENERAL PHYSICAL FEATURES (_continued_)

The north-east portion of the island from Mount Thurston to Undu Point, 207.—Coast between Vuinandi and Tawaki, 208.—The corresponding inland region, 209.—The gabbro of Nawi, 211.—Uthulanga Ridge, 211.—Ascent of Mount Vungalei or Ndrukau, 213.—Nailotha, 214.—Exposure of altered trachytes and quartz-porphyries at its base, 215.—From Nandongo to Vanuavou, 216.—From Ngelemumu to Wainikoro, 217.—Sea border between Lambasa and Mbuthai-sau, 218.—Coast between Mbuthai-sau and the Wainikoro and Langa-langa Rivers, 219.—Coast between the Langa-langa River and Thawaro Bay, 221.—The Globigerina clay of Visongo, 221.—Vui-na-Savu River, 222.—Some General inferences, 223

_Pages_ 207-223