390 
Geology of Sydney. 
Silurian Corals, 225. 
,, Grits, 204. 
,, Origin of Term, 216. 
„ Rocks, 82, 83, 85, 89, 
91, 180, 211, 214, 215, 
228, 242, 243, 244, 
291, 293. 
Siphonalia, 84. 
Slaked Lime, 220. 
Slate Roofing, 218. 
Slates, 78, 79, 80, 83, 89, 204, 
215,217, 219, 221, 244, 
245, 246. 
„ True, 216, 218, 219. 
Sodalite, 280, 281. 
Solar Denudation, 115. 
Solution, 119, 123, 125. 
South Creek, Triassic coal at, 
110 . 
Spirifer, 84, 85, 117, 202, 212, 
213. 
Sphenopteris, 85, 172, 215. 
Sphenophytlum, 171, 172. 
Sphenopteri dee, 1 09. 
Spirifer Tasmaniensis, 195. 
Spondylodrobus, 84. 
Springwood, 109, 333. 
Star-fishes, 202. 
Stalactites, 73, 75, 216, 235, 236, 
237, 238, 239, 251. 
Stalagmites, 216, 235, 236, 237, 
238. 
Steele, Norman, quoted, 85. 
Stenopora , 296. 
Stratified Rocks, Succession of, 
83, 89, 296. 
Stratification, Planes, 219. 
Stratified Rocks, 81, 82. 
Strike, 217. 
Stroud, 83, 161, 176, 179, 199. 
Struthiolaria, 84. 
Sub-aerial Waste, 207. 
Subsidence, 188, 294, 301. 
Submergence, 29, 93. 
Submerged Forest, Shea’s Creek, 
93, 94. 
Suspension, 115, 125. 
Swamps, Triassic, 141. 
Swedish Lakes, Iron Ore in, 120. 
Sydney, Alluvial deposits near, 
94. 
Sydney, Altered Sandstones 
near, 79. 
,, Basalt near, 78, 385. 
,, Coal Measures under, 
193, 201. 
,, Dykes around, 285,297. 
,, Eruptive Rocks near, 
256. 
,, Fossil Plants around, 
158, 160. 
,, Hawkesbury - Wiana- 
matta at, 108. 
,, Marine deposits, 92. 
„ Past Physical geography 
„ Sandstones around, 79, 
95, 103, 104, 106, 257, 
291. 
,, Shales around, 17, 79, 
83, 159, 160, 166, 178, 
183. 
,, Sketch section under, 
181. 
.. Triassic rocks around, 
82, 129, 141. 
,, Triassic sandstones 
around, 192. 
Syenite, 255. 
,, Bowral, 52, 79. 
Syringopora , 85. 
Taeniopteris , 85, 90, 162, 163, 
164, 170, 176. 
Talbragar River, beds of, 90. 
Talc, 53. 
Talcose Slate, 79. 
Talus, 244. 
Tar an a, 79, 254, 335. 
Taxites, 85. 
Teeth fossils, 18, 102, 130, 131, 
142, 150. 
Terebratula , 84, 296. 
Tertiary Rocks, 82, 83, 84, 90, 
93, 96, 97, 103, 157, 176. 
Thinnfeldia, 40, 85, 113, 121, 
160, 169, 172, 176, 179, 296. 
Tomago Coal Measures, 176. 
Tomah Mount, 78, 89, 252, 256, 
286, 297, 304. 
Trachyte, Bowral, 342. 
Trachyphyllum , 84. 
Travertine, 80, 235. 
