INDEX 



NOTE. It has been deemed best to follow the example of the Admiralty surveys in 

 the spelling of native names. In this book, therefore 



Mb = the Fijian B 

 Th = C 

 ND= D 

 NG= GandQ 



ABBREVIATIONS, for rock descriptions, 



236 

 Acicastello, Sicily, basalt and pala- 



gonite, 347 

 Acid and basic rocks, regions of, 219, 



374 



Agassiz, Prof. A., 294, 373, 376, 377 

 Agates, 138, 139,227, 353,354 

 Agglomerates ; see Volcanic agglomer- 

 ates 



Algae in hot springs, 24, 25, 33, 38 

 Alps, magnetic rocks of the, 362, 363 

 Altered rocks ; see Propylites, etc. 

 Andesites, acid, 98-108, 112, 123-127, 

 193, 194 ; relative frequency of, 

 235 ; classification of, 293-306 ; 

 distribution of, 374 ; peaks in ba- 

 saltic flows, 104, 115, 116, 374; 

 altered, 105, 297 ; columnar, 102, 

 104 ; pre-basaltic, 375 

 Andrews, Mr. E. C., 7,22, 294, 350, 



378. 



Artesian reservoirs, 39 



Augite, crystals of, in tuffs, 45, 182, 



193 



Augite-andesites, 51, 162, 199, 204, 

 209, 232, 235, 294, etc. ; classifica- 

 tion of, 239, 245, 246, 266-284 ; 

 distribution of, 374 ; aphanitic, 117- 

 120, 125, 162, 168, 279 ; relative 

 frequency of, 235 ; see Basaltic an- 

 desites 



Avuka, range, 179 



Axes, stone, structure of, 383 



BARE-POLL, PEAK, near Soni-soni, 93 



Barrack, Mr. A. H., 27, 123 



Barrack, Mr. Alex., 364 



Barratt, Mr., 68 



Barrier-reef, great, of Fiji ; see under 

 Submarine plateau 



Basaltic andesites, 47, 56, 64, 75, 

 108, 123, 137, 147, 148, 160, 164, 

 190, 204, 206, 208, 288 ; classification 

 of, 239, 266, 278; distribution of, 



374 



Basaltic rocks, extensive disintegration 

 of, 57, 64, 72, 129 



Basaltic flows surrounding hills of 

 acid andesite, 104, 115, 116, 374 



Basaltic plains and plateaux, 6, 55, 62, 

 82, 107, 128-135, 373 



Basaltic submarine flows, 338, 342, 

 344, 346, 347, 372, 375 ; see under 

 Submarine plateau and Basaltic 

 plains 



Basalts, columnar, 3, 63, 78, 83, 84, 

 85, 123, 129, 133, 147, 170, 173, 203, 

 260, 284 



Basalts, ophitic, 50, 74, 114, 133, 137, 

 138, 155, 159, 162, 191, 204, 213, 

 252, 256, 347 ; the ophitic habit, 

 2 37, 238 ; ophitic sub-orders, 236, 

 241-245 ; ophitic genera, 256, 262, 

 272-276, 283 



Basalts, olivine, relation of black and 

 grey, 89, 90 ; classification of, 239, 

 241-244,252-265 ; relative frequency 

 of, 235 ; distribution of, 374 



1 The term "basalt" is here used in a general sense to include olivine-basalts, 

 basaltic andesites, and other basic types of the augite-andesites and hypersthene-augite 

 andesites. 



C C 



