Index. 
391 
Tremanotus , 85, 95, 133. 
Trias or Trias-Jura, Summary 
of, 187. 
Triassic Rocks, 82-85, 89, 90, 98, 
101, 102, 126, 130, 131, 
141, 143, 146, 154, 158, 
170, 244, 294, 295, 296. 
,, Reptiles, 101, 126, 129, 
151. 
Trigonia , 84, 85, 102. 
Trilobites , 178, 219. 
Triton , 84. 
Trochus , 85. 
Tuatara lizard, 140, 141. 
Tuff (see Volcanic Tuff). 
Turramurra, Prismatic sand- 
stone at, 261. 
Turritella , 84. 
Thylacoleo , 84. 
Thylacinus , 84. 
Ultra-basic Rocks, 255. 
Unconformity, 179, 180. 
Under Clay, 196, 198. 
Unio, 84, 85, 133. 
Unionella, 85, 113. 
Upheaval, 92, 295. 
Upper Coal Measures, 155, 176. 
Upper Marine Beds, 176, 202, 
206, 212, 241, 243, 285. 
Valleys on the Blue Monntains, 
232, 299. 
Vertebrarict, 83, 179, 296. 
Volcanic Action, 205. 
„ Ash, 78, 184, 188, 205. 
,, Rocks, 77, 255, 256. 
Volcanic Rocks, Lower, 90. 
,, Rocks, Upper, 90. 
,, Tuffs, 205. 
Volcanoes, 119, 205, 297, 319, 
321. 
,, Extinct, 253. 
Voluta, 84. 
W cUdheimia , 84. 
Wandrawandian Sandstone, 327. 
Warren, 114. 
Waterloo and Cooper streets, 
Sydney, 261. 
Water, Running, Power of, 317. 
Weathering, 106, 109, 271, 299. 
Wellington, Limestone at, 83. 
Wentworth Falls, 304, 331. 
White Cliffs Opal fields, 83, 215. 
Wianamatta Shales, 98, 104, 108, 
109, 112, 113, 117, 129, 154, 
176, 285, 345. 
,, Shales, Coal in, 176, 
Wilcannia, Rocks at, S2, 83, 212, 
215. 
Wilkinson, quoted, 249, 262, 298, 
316, 341. 
Wilson, Lava flows at Mt., 297. 
,, Mount, 304, 334. 
Wollongong, 203, 326. 
Wood, Per cent, of Carbon in, 
194. 
,, Silicified, 42, 43. 
Woolloomooloo, 323. 
Wyalong Goldfields, Granite at 
289. 
Yambulla Ranges, Rocks, 215. 
Yass, Fossils from, 214, 225. 
WeljSdale, Shoosmith, and Co., Printers, 117 Clarence-street, Sydney. 
