380 
Geology of Sydney. 
Basalt Dykes, 252, 344. 
,, for Road-making, 343. 
,, Microscopic Structure, 
252. 
,, on the Mountains, 344. 
,, Prospect, 341. 
,, Soda Minerals in, 279. 
Basic Rocks, 255-256. 
Bathurst, 335-336. 
„ Basalt, 78, 256. 
,, Diorite, 79. 
,, Granite, 79, 289. 
,, Hornfels, 79. 
,, Kaolin, 79. 
,, Quartzite, 79. 
,, Schists, 79. 
Batrachia , 138, 143. 
Beaches, Raised, 90, 92. 
Bedding Planes, 219, 224. 
Bcccroffc, 324. 
,, Basalt, 260. 
Belemnite, 85, 101. 
Bellerophon , 85. 
Belmore Basalt, 260, 323. 
Belonostomus , 132. 
Beyrichia , 85, 353. 
Biioela Fossils, 95, 126, 129, 134, 
159. 
Biotite, 53. 
Bird-Lizards, 130. 
Blackhead, 326. 
Black heath, 332. 
Blacktown, 330. 
,, Coal at, 166. 
Blair Duguid, 339. 
Blakehurst, 323. 
,, Basaltic Dykes, 261. 
,, Prismatic Sandstone, 
261-262. 
Blayney Diabase, 336. 
Blocks, Perched, 290. 
Blow-hole, Kiama, 230. 
Blue-metal, 76. 
Blue Mts., Caves on, 237. 
,, Gorges on, 89. 
, , No true Slates on, 2 1 9. 
„ Origin of, 293-299. 
,, Plateau of the, 303. 
,, Rocks on, 211, 214- 
215, 230, 294-296. 
„ Shale on, 109. 
Blue Mts., Valleys on, 232. 
Bluestone, Melbourne, 342. 
Bohemia, Carboniferous Rocks 
of, 140. 
Bondi, 323. 
,, Basalt, Analysis of, 252, 
281. 
,, Basalt at, 252, 259-260, 
272, 279, 283-284. 
,, Map of Igneous Dykes 
at, 263. 
,, Microscopic Structure of 
Basalt, 252, 282. 
,, Sandhills at, 93. 
„ Sandstone at, 104, 127, 
258, 260-262, 272. 
Bones, Human Fossil, 84. 
Bonnie Blink, 296, 332, 333. 
Bowenfels, Fossils from, 155. 
Bowral, 329. 
,, Fossils from Shales at, 
129. 
,, Syenite, 52, 79. 
,, Trachyte, 342. 
Brachiopoda , 178. 
Breccia, 80. 
Brick-Clay, 118. 
Bricks from W ianamatta Shales, 
342. 
Buekland quoted, 196. 
Building Stone, 340. 
Bulli Coal Measures, 83, 193, 
327. 
Bundanoon, 329. 
,, Sketch Section at 179. 
Bungonia, Limestone at, 75. 
Burragorang, 82, 331. 
Burwood, Basalt at, 259, 266. 
Cainozoic rocks, 83, 90. 
Cairngorm, 52. 
Catamites , 85, 171, 177. 
Calamostachys, 171. 
Calcareous rock, 80. 
,, sandstone, Narrabeen 
344. 
,, „ Rook wood 
344. 
Calcite, 55, 69, 
Calymene , 85. 
Cambrian rocks, 82, 83, 85, 91. 
