REPORT ON THE PETROLOGY OF OCEANIC ISLANDS. 



83 



centre is about twenty- three miles distant. 1 Abrupt cliffs, fringed with a line of 

 breakers girdling the island, appear at first sight to make landing impossible, but 

 there is a narrow beach at the base of the vertical rocks. Inaccessible Island is nearly 



Waterfall, Inaccessible Island (from a Photograph). 



quadrilateral in outline, the angles being directed towards the cardinal points. The 

 highest part of the island is towards the west, where the cliffs rise to the height of 



1 For the physical description of Inaccessible see Wyville Thomson, The Atlantic, vol. ii. p. 156; Moseley, Notes 

 of a Naturalist etc., p. 115 ; Karr. Chall. Exp., vol. i. p. 254. Buchanan has given geological details on this island in 

 k'roc. Roy. Soc, vol. xxiv. p. 614. 



