GENEKAL INDEX. 



943 



George Nares, K.O.B., Mr. E. Ethe- 



ridge on the, 568. 

 Palasontology of the Meux-well depo- 

 sits, Mr. Charles Moore on the, 914. 

 Palaeozoic rocks of the Upper Punjab, 



352. 

 , probable range of, under 



London, 902. 

 Pandora typica, 18. 

 Papeidh, glaciation of, 858. 

 Peach, 0. W., Esq., on the circinate 



vernation, fructification, and varie- 

 ties of Spkenopteris affinis, and on 



Staphylopteris (?) Peachii of Ethe- 



ridge and Balfour, a genus of plants 



new to British rocks, 131. 

 Pebidian and Diinetian rocks, Dr. H. 



Hicks on some, in Caernarvonshire, 



147. 

 . f D r> H. Hicks on the, 



of Pembrokeshire, 153. 

 Pebidian rocks of Pembrokeshire, 



156 ; minute structure of, 165. 

 Pelanechinus, Mr. W. Keeping on, a 



new genus of sea-urchins from the 



Coral Rag, 924. 



corallmus, 929. 



Pelecypodafrom the Calcif erous Sand- 

 stone series of Edinburgh, 5 ; from 



the Wardie Shales, 11. 

 Pembrokeshire, Dr. H. Hicks on the 



Dimetian and Pebidian rocks of, 



153. 

 Pentamerus Copping en, 594. 



sp., 595. 



Pentire Point, blue elvan of, 477 ; 



amygdaloidal lava from, 483 ; ana- 

 lysis of, 482. 

 Pen-y-groes, 148. 

 Persia, occurrence of a vein of gold in, 



Proc. i. 

 Petroleum in Japan, 554. 

 Phacops macroura, 884 



■ mucronatus, 884. 



obtusicaudatus, 885. 



sp., 884. 



Phillips, J. A., Esq., on the so-called 



"Greenstones" of Central and 



Eastern Cornwall, 471. 

 Phyllopora, sp., 627. 

 Pinbain Hill, Ayrshire, porphyrite of, 



780. 

 Plan of basalt veins intersecting gneiss 



near North Bay, island of Barra, 855. 

 of the Falls of St. Anthony, 



showing their recession from 1680 



to 1856, 897. 

 Plants, fossil, Prof .Heer on, discovered 



in Grinnell Land by Capt. H. W. 



Feilden, 66. 

 Platyceras naticoides, 603. 



Pleistocene beds, M. N E. Vanden 

 Broeck on some Foraminifera from, 

 in Ischia (preceded by some geolo- 

 gical remarks by A. W. Waters, 

 Esq.), 196. 



deposits, Mr. W. A. E. Ussher 



on the chronological value of the, 

 of Devon, 449. 



Plesiosaur, bones of the fore limb of a, 

 749. 



Pleurotomaria monilifera, 18. 



Pliocene and Miocene strata, Prof. W. 

 Boyd Dawkins on the history of the 

 deer of the European, 402. 



Plombieres, zeolitic minerals produced 

 by thermal springs at, 73. 



Poikilitic beds, section of, at Ru-Geur, 

 near the southern extremity of Sleat, 

 Skye, 692. 



rocks of the Western Highlands, 



686. 



series, section illustrating the 



relations of the, of Gruinard Bay, to 

 the underlying Torridon sandstone, 

 671. 



Polypora biarmica, 622. 



grandis, 621. 



megastoma, 621. 



sp., 623. 



Polyzoa, bibliography of Arctic, 611. 



from the Calciferous-Sandstone 



series of Edinburgh, 5. 



Pope's Mill, " greenstone " of, 488. 



Porphyrites of the Ayrshire coast, 

 780. 



Porphyritic fragments in the Trias of 

 South Devon, 461. 



mass of Tal-y-sarn, microscopic 



structure of, 152. 



rocks of Charnwood Forest, 205, 



207. 



Port Isaac, lava from, 483; analysis 

 of, 482. 



Port of Ness, cliff-sections at, 825. 



Porthlisky, east of St. David's, micro- 

 scopic structure of dyke in, 144. 



Porth-y-rhaw. section through, 166. 



Postglacial submergence of the Western 

 Islands, 865. 



Posttertiary deposits of the Upper 

 Punjab, 370. 



Poteriocrinus crassus, portion of stem 

 of, 499. 



Pounder, " greenstone " of, 489. 



Pre-Cambrian rocks, Prof. T. M'K. 

 Hughes on the, of Bangor, 

 137. 



, Dr. H. Hicks on some 



(Dimetian and Pebidian), in Caer- 

 narvon shire, 147. 



Pre-Carboniferous rocks of Charnwood 



