366 



INDEX. 



Nucleobranchiata, 283. 



Nucleocrinus, 243. 



Nudibranchiata, 280. 



Nucula, 276. 



Oak Ridges, 320. 



Oblique bedding, 157. 



Obolus, 274. 



Obsidian, 191. 



Ochres, 87, 89, 329, 342, 354. 



Octopus, 289. 



Oculinidse, 239. 



Ogygia, 255. 

 Oli 



ligoclase, 107. 

 Olivine, 105. 

 Oneida, 132, 322. 325. 

 Onondaga Formation, 132. 

 Ontario, Geology of, 294-323. 

 Operculata (Corals), 234. 

 Ophileta, 281, 309. 

 Ophiolite (Serpentine), 173, 346. 

 Ophiuroidea, 245. 

 Opisthobranchiata, 280. 

 Orbiculoidea, 273. 

 Orford township, 74, 79, 103, 125, 346, 



350, 



Organic Remains, 209-292. 

 Orillia, 85. 



Oriskany Formation, 325. 

 Orleans, Island of, 76, 339, 348. 

 Ormoceras, 288. 



Orthis, 271, 272, 310, 316, 322, 326. 

 Orthite, 100. 



Orthoceras, 286, 288, 316, 317. 

 Orthoconcha, 276. 

 Orthoclase, 106, 168, 178, 181, 336, 



352. 



Osgoode, 311. 

 Ornabruck, 145. 

 Ostracoda, 251. 

 Ostrasa, 276. 



Ottawa, 109, 308, 310, 311, 312. 

 Ottawa Co., 99, 100, 107, 109. 

 Ottawa River, 136, 294, 308, 310, 311. 

 Outliers, 161, 305, 338. 

 Ouvarovite (Chrome garnet), 98. 

 Owen Sound, 131, 323. 

 Owl's Head Mountain, 346. 

 Oxalateof Iron, 141. 

 Oxford Co., 324. 

 Oxford township, 142. 

 Oxides, 80, 86, 87, 89. 

 Ox Point, 316. 

 Paguridffi, 262. 

 Paisley, 324. 

 Pakenham, 125. 

 Palasterina, 246. 

 Palseaster, 246. 

 Palseocrinus, 240. 



Palaeozoic Age, 204. 



Paradoxides, 257. 



Pauquette's Rapids, 96. 



Paris (Ont.), 324, 329. 



Parophite, 120. 



Pasceolus, 223. 



Peat, 145, 342, 344, 354. 



Pecten, 276. 



Peel Co., 313. 



Pegmatite, 178. 



Pembroke, 179, 305. 



Pennatula, 235. 



Pennine, 115. 



Pentamerus, 271, 319, 322. 



Pentremites, 243. 



Perce, 351. 



Perforata, 236. 



Peristerite, 106. 



Peterborough, 316. 



Peterborough Co., 70, 304, 313. 



Petraia, 234. 



Petraster, 246. 



Petroleum, 141, 327, 331. 



Petrosilex, 178. 



Phacops, 257, 258, 325. 



Phaneropleuron, 291. 



Phillipsastrea, 233. 



Phlogopite, 114, 336. 



Pholerite, 119. 



Phonolite, 190. 



Phosphate (Apatite), 134, 308, 336. 



Phosphates, 134. 



Phragmoceras, 286, 287, 332. 



Phyllocarida, 261. 



Phyllograptus, 228, 348. 



Phyllopoda, 251. 



Physical Characters of minerals, 3-18. 



Pic River, 82, 84, 299, 302. 



Pickering, 317. 



Pie Island (Lake Superior), 130, 299, 



302. 



Pigeon River, 70, 130, 300. 

 Pillar sandstones, 348. 

 Finite, 120. 

 Pisocrinus, 240. 

 Pitchblende, 89. 

 Pitchstone, 191. 

 Placophora, 280. 

 Planorbis, 278, 320. 

 Plantagenet, 145, 308, 311. 

 Plant Remains, 210-220. 

 Plaster of Paris, 132, 324. 

 Platinum, 64. 

 Platyceras, 281, 282, 316. 

 Platystrophia, 271, 272, 316. 

 Pleurocystites, 242. 

 Pleurotomaria, 281, 282, 310, 316. 

 Plumbago (Graphite), 61, 337. 



