Vol. 63.] 



GENERAL INDEX. 



59' 



Olivine-dolerites, ophitic & subophitic, 



of Batoka-Gorge area, 182, 207- 



209; do. of Derbyshire, 271 etseqq., 



278, 279. 

 Ondo (S. Nigeria), 312. 

 Oni R. (S. Nigeria), 312. _ 

 Oolite, Inferior, see Inferior Oolite. 

 Orbicella, &c. in Haynesfield Quarrv 



(Barbados), 329. 

 Orbicella acroporoAv. Bridgetown, 333, 



334. 

 Orbiculoidea nitida, 457. 

 Origin of plateaux around Torquay, 



106-23 figs. ; of oceans, new light 



on, 344-50 ; suggested, of coal-beds, 



282-93. 

 Originating faults (in earthquakes), 



360-61, 373-74. 

 Ornithella cadomensis, 429-30 & pi. 



xxviii. 



ornitkocephala, 430 & pi. xxviii. 



Oron (S. Nigeria), 311. 



Orthoceras cf. cylindraceum, 464-65 



& pi. xxx. 



• cf. conquestum, 465 & pi. xxx. 



Orthoclase (& quartz), detenu, of 



eutectic proportions of, 158-59. 

 Orthogneisses of Oban Hills. 313. 

 Ortkothetes cf. creni&tria, 457. 

 Ossi R. (S. Nigeria), 317. 

 Ostrea deltoidea (selenitized), 34. 



cf. dubzensis, 45-46. 



Knotri, 423 figs. 



Oswald, F., award fr. Murchison 



fund to, xlviii. 

 Otua (S. Nigeria), ferriferous mica- 

 schist of, 317. 

 Overflow-channels (fr. Glacial lakes), 



examples of, 470-71 & figs, on 



pp. 472-73, 481-83 w. map on 



p. 482. 

 Overthrust-planes on W. Devon & 



N. Cornwall coast, 6, 7. 

 Oweniasicchus, contrasted w. Gonio- 



pholis crassidens? 60. 

 Oxford, Lake (suggested), & Goring 



Gap, 494-506 & pi. xxxiv (map). 

 Oxfordshire Gravels, 496. 

 Oxlow (Derbyshire), 246. 



Palceolima retifera, 462 & pi. xxx. 



Palseoniscid clavicle (Bristol Coal- 

 Measures), 468; .see also Elo?i- 

 ichthys, &c. 



Paragon (Barbados), 333. 



Parallelodon tenuistriatum, 460-61 & 

 pi. xxx. 



Pargasite, artificial fusion of, 154. 



Paris, E. T., 386, 412, & table vi, 

 facing 436. 



Parkinson, J., the Post-Cretaceous 



Q.J.Gr.S. No. 252. 



Stratigraphy of Southern Nigeria, 

 308-12 w. map ; the Geology of the 

 Oban Hills (Southern Nigeria), 

 313-16 w. map & sect. ; the Crys- 

 talline Rocks of the Kukuruku 

 Hills (Southern Nigeria), 317. 



Peak-Forest Sill (Derbyshire), 271- 

 72. 



Peasdown (Somerset), sect, in Red- 

 Post Quarry descr., 412. 



Pedra Furada (Brazil), Cretaceous of, 

 130. 



' Pegass ' (tropical peat-land), 292. 



Pegmatites in S. Nigeria, 313, 317. 



Pembrokeshire (S. Wales), plateau- 

 features in, 122-23. 



Penfield, S. L., obituary of, Iviii-lix. 



Pennine (?) in altered S. Nigerian 

 rocks, 315. 



Permo-Carboniferous of Sao Paulo, 

 Stereosternum tumidum from, v ; 

 P.-C. age of Matobola Beds or 

 Wankie coal-measures, 174. 



Peterhead Granite, artificial fusion 

 of, 150, 151. 



Phase-intervals, Californian & Colom- 

 bian earthquakes, &c, 345-50. 



Phosphatic nodules, in Kimeridgian 

 of Rid's Hill, 33. 



Phyllites in S. Nigeria, 313, 315. 



Physical constants, changes which 

 take place in certain minerals & 

 igneous rocks, on the passage from 

 the crystalline to the glassy state, 

 145-61 figs. ; phys. features of 

 Batoka-Gorge area of Zambezi 

 Basin, 165-70 fig. 



Pickering, Lake (Yorks) & the Mai ton 

 Gorge, 475-76 w. map. 



Pidgeon fund, list of awards from., 

 xxxiii, lxxvi. 



' Pillow-structure ' in vesicular Batoka 

 Basalts, 192. 



Plain, high-lving, in Zambezi Basin, 

 166. 



Plant-remains in ' Culm ' of W. Devon 

 & N. Cornwall, 17-23 figs.; in 

 Permo-Carb. of Wankie, &c, 174 et 

 seqq. ; in Coal-Measures, xerophytic 

 character of, & suggested origin of 

 coal-beds, 282-93 ; plant-remains 

 fr. Inf. Oolite of Brora, 375-82 fig. 

 & pi. xxvii. 



Plateaux around Torquay, age & origin 

 of, 106-23 figs. 



Pledge, J. H., 29. 



Pleistocene coral-rocks in Barbados. 

 320 et seqq., 333-34 ; Pleistoc, 

 erosion in England, 506-507. 



Pleuronmitilus costatus, 465. 



Pleuroplax Bankinei, 467. 



2? 



