Index. 
383 
Five Dock, Prismatic Sandstone 
at, 201. 
Flagstones, 78. 80, 210, 219, 264. 
Flint, 52, 78, 80. 
Folded Strata, 217, 218, 246. 
Forest Reefs, 8117. 
,, Submerged, 94. 
Forests of Carboniferous Age, 131 . 
,, Triassic, 158. 
Formations, Sedimentary, 84. 
Fossil, Definition of a, 39. 
,, fish from Gosford, 99, 
105, 135, ‘203. 
,, in Sandstone, 113, 126, 
131. 
,, in Shales, 129. 
,, footprints, 41, 130, 131, 
142, 143, 145, 151. 
Fossils, Aid to Geology, 41. 
,, are Nature's heirogly- 
phics, 48, 86. 
,, Characteristic, 40, 84- 
86, 89. 
,, Evidence of life in past 
times, 46. 
,, from Lake Mulligan, 42. 
,, from St. Peters, 17. 
,, Land of Living, 102. 
,, Mode of Preservation, 
42, 132. 
,, of Sydney, 349. 
,, of Triassic Age, 126, 
129-131, 134, 135, 137, 
139, 140, 151, 154, 
155, 158, 160. 
,, Plants, 196. 
,. Plants, Classification, 
154, 168. 
,, Plants, Description, 161- 
173, 175. 
,, Teeth as, 18, 102, 130, 
131. 
Freestone, 105. 
Freshwater Limestones, 75. 
Frog Lizards, 129. 
,, Reptiles, 139. 
Fulgurites, 93. 
Films, 84. 
Gabbro, 79, 255, 336. 
Gabo Island, Granite of, 287. 
Ganga?nopteris, 85. 
Ganoids, Fossil, 129, 131, 132. 
Garnet Rock, 242, 
Garnets, 343. 
Geikio on Denudation, 307. 
Genoa River, Rocks at, 215. 
Ginkgo , 85. 
Ginkin, Basalt at, 246. 
Glacial Action, 290, 344. 
Glenleo, 328. 
Giossopteris, 40, 85, 91, 155, 164, 
165, 176, 179, 192, 196, 209, 
296, 352. 
Gold in Sandstones. 364 
Gorges on Blue Mountains, 299, 
301, 302, 304. 
Gosford, 99, 129, 131, 134. 
G ovett’s Leap, 301, 3U4. 
Grand Archway, Anticline near, 
245, 246. 
Granite, 78, 79, 82, 108, 199, 
212, 215, 241, 243, 
252, 254, 285-288, 290, 
291, 294, 296, 342. 
„ Appearance in the field, 
63. 
,, Archsen, 204. 
, , Boulders of, 94, 243, 288, 
290-291. 
,, Characters of, 62. 
,, Decomposition of, 288, 
289. 
,, Definition of, 63. 
,, Graphic, 241. 
,, Structure of, 254. 
,, Summarised, 70. 
,, Texture of, 63, 64. 
,, Wells in decomposed, 
289. 
Graphite, 80, 343. 
Graptolites, 85, 178. 
Great Barrier Reef, 223, 233. 
,, Dismal Swamp, 199, 206. 
Greenwich, Dyke at, 260, 274, 
284. 
Grits, 91, 104, 114, 241. 
,, Silurian, 204. 
Grose, Gorge of the River, 302, 
303, 304. 
„ Valley, 332 
Gypsum, 56, 78, 80, 189. 
