BY W. G WOOLNOUGH. 463 



While flood-bound at Nabukaluka, I made a short excursion up 

 the Wai ni Valau, and examined the group of mountains of 

 which Buki Levu is the chief. After resuming my journey I 

 followed the Waidina River almost to its source. From the head 

 of the Waidina the track crosses the water-parting into the valley 

 of the Navua River, a little below Korowaiwai. This stream 

 was then followed to the head of the Wainibua branch, and the 

 pass of Navunitorilau crossed into the valley of the Wainimala. 

 I followed the Wainimala to its junction with the Wailoa, and 

 thence up the latter stream, and by way of Nubumakita and 

 Nasoqo over the shoulder of Tama ni Ivi (Mt. Victoria) to 

 Nadarivatu. From Nadarivatu I made an excursion to the 

 North Coast at Tavua, thus completing the traverse of the main 

 island in a general north and south direction. 



The return section was carried from Nadarivatu to Nadrau on 

 the Sigatoka River, and thence down the stream to Natuatuacoko 

 at the head of canoe-navigation. This part of the section was 

 very much hurried on account of the approach of a flood. From 

 Natuatuacoko to Rarayaka I journeyed in a canoe on the heavily 

 flooded river, and so did no geology. From R,arayaka I cut 

 across to the coast at the mouth of the Sovi River, a little west 

 of the town of Vatukarasa, thence eastwards along the coast to 

 Korolevu, where I found a cutter just returning to Suva. I, 

 therefore, performed the rest of the journey by water. 



The map is only approximately correct as regards the interior, 

 which has never been surveyed. 



At this point I may fittingly acknowledge my indebtedness to 

 the following gentlemen for assistance, hospitality, and advice : — 

 Drs. Montague and Pr3'or, Rev. H. Nolan, Messrs. C. R. Swayne, 

 A. Joske, C. C. Chalmers and H. Smee; and I wish to express to 

 them my sincere thanks for their many kindnesses. 



V. — The Geological Sections. 



1. Suva to Tavua (on the lioy^th Coast). 



About one mile north of Suva^ on a branch of the harbour 

 known as Walu Ba}^, there is an interesting and instructive section 



