388 
Geology of Sydney. 
Pentamerus , 85. 
Penteune , 84. 
Penrith, 286. 
Perched blocks, 290. 
Permian rocks, 82, 83, 101, 143, 
192. 
Permo-Carboniferous fossils, 155. 
,, ,, lavas, 184. 
,, ,, rocks, S4, 85, 
89, 167, 176, 
178-182, 184, 
192,193,199, 
201-205, 212, 
217,241-244, 
294-296. 
Peroxide of Iron, 118, 119, 120, 
123, 124. 
Petraia , 85. 
Phacops , 85. 
Phillipsastrea, 85, 225. 
Phyllodadus , 162. 
Phyllothtca , 85, 132, 166, 167, 
171, 175, 177, 184, 209. 
Picton, 328. 
Piddington, Mt., Fossils from, 
296, 334. 
Pihopsis, 84. 
Pittwater, Shales at, 157. 
Plains, Alluvial, 83. 
Platyceras , 85. 
Platyceps , 85, 129, 133. 
Platyschisma , 296. 
Planes of Stratification, 219. 
Pleistocene Rocks, 83, 84, 90, 95. 
Plesiocappai'is, 84. 
Plesiosaurus , 85, 129, 147, 148. 
Pleurotoma i 84. 
Pliocene Rocks, 83, 84, 89, 90, 96, 
Pluvial period, 297. 
Plutonic Rocks, 76, 255. 
Podozamites , 85, 175. 
Polyzoa , 92, 190. 
Pokolbin Hills Coal Measures, 
179. 
Porphyrite, 79. 
Porphyry, 94, 108, 244-246, 286. 
Port Hacking, 298. 
,, ,, Sand-hills about, 
93. 
Port Jackson, Origin of, 297, 298, 
321. 
Port Jackson, Sand-hills at, 93. 
,, ,, Shark, 102. 
Port Stephens District, 91, 172. 
Post Office, Granite in, 342. 
Pre- Silurian Continent, 293. 
Primary Rocks, 85, 90. 
Prismatic Sandstone, 252, 257, 
258, 259, 261, 262. 
Pristisomus , 85, 103, 133. 
Productus, 85, 296. 
Pre-Cambrian Rocks, 91. 
Prospect, Basalt at, 259, 262, 
264. 
,, Dolerite at, 78. 
Protoretopora, 193, 202, 396. 
Protoxide of Iron, 109, 118, 119, 
120, 123. 
Pterodactyle, 148, 149. 
Pteronites , 85. 
Purple Shales, 205. 
Phyllotheca , 351. 
Pyrites, 56. 
Quaternary Rocks, 83 
Quartz, 32, 64, 94, 104, 245, 263, 
286, 289, 290. 
,, in Granite, 62. 
,, to distinguish from 
Felspar, 53. 
Quartziferous Slates, 108. 
Quartzite, 79, 91, 213, 215, 253, 
265. 
Quercus , 84. 
Quick-lime, 220. 
Rainfall in Tertiary Epoch, 318. 
Raised Beach, 90, 92, 338. 
Ravines on Mountains, Origin of, 
135. 
Reptiles, Triassic, 147 
,, Jurassic, 147. 
Radiolarian Rocks, 80, 246. 
Rhacopteris , 85, 161, 176, 351. 
Rhizopthyllmn, 85. 
Rhyncltonella , 85, 212, 213, 215. 
Richmond, Deposits at, 94. 
Recent Rocks, 83, 84, 90, 92. 
Red Sandstone, New, 101, 129, 
211 . 
„ „ Old, 101, 204, 
211 . 
