476 



GENERAL INDEX. 



[Nov. 1903, 



Phonolites (& allied rocks) of S. 

 Abyssinia, 297-300. 



Photographs, geological (Brit. Assoc), 

 c. 



Phyllites of Tintagel & Davidstow 

 district, 409-10, 411 et seqq., 427. 



Physics in relat. to geology, lxxix- 

 lxxxi. 



Pidgeon Fund, award from, cii. 



' Pietre verdi,' not a geol. horizon, 56. 



Pinner's Cross nr. Royston, disturbed 

 Chalk, &c. at, 365 ; view & sect, of 

 pit at, 364. 



Pinnularia sp. (fr. Flimby), 12. 



Piebright, Lord, obituary of, lxvi. 



Pjetursson, H., on a Shelly Boulder- 

 Clay in the so-called ' Palagonite- 

 Formation ' of Iceland, 356-61 figs. 



Planolites (1), fr. Desolation-Valley 

 Glacier, c-ci. 



Plant-remains fr. Cumberland Coal- 

 field, 3-24 & pis. i-ii ; Mesozoic, 

 217-33 fig. & pi. xv ; fr. Rhodesia, 

 288-90. 



' Plastic clay ! of Brettenham, &c, 47, 

 49-50. 



Platyceras verisimile, 309. 



Pleistocene age of part of Icelandic 

 palagonite - formation, 360-61 ; 

 Pleistoc. gravels of Oxon & Berks, 

 373, 374. 



Pleuromya crowcombeia, fauna of zone 

 of, 400, 401. 



Pliensbachian = Middle Lias, 455. 



Pliocene ossiferous cavern at Dove- 

 holes. 105-32 figs. & pis. viii-xii. 



Pluvial Period in S. Europe, 374. 



Pneumatolytic action on acid rocks, 

 158. 



Pocock, T. I., 81. 



Polishing of sand-grains, 239-40. 



Poolvash (I. of Man), Dictyoncma (!) 

 from, xcix. 



Porous spherulites of Obsidian Cliff, 

 &c, 430-31 & pi. xxvi (microscop. 

 sect.). 



Porphyrites (& andesites) of 8. 

 Abyssinia, 300-301, 305. 



Port Abhuinn (Tiree),pink marble of, 

 94 ; crush-conglomerate W. of, 98, 

 99 fig. 



Port St. Helena (Patagonia), quartz- 

 porphyry dyke at, 163-64. 



Portlandia arctica from Iceland, 



359. 

 Potholing of gneiss at Semna, 69-70 

 fig. ; potholing as a measure of 

 erosion, 76. 

 Potton (Beds), 234. 

 Powell, H., letter on erupt, of St. 

 Vincent Soufriere, i-ii. 



Powell, J. W., obituary of, liii-liv. 

 Practice, geology and, lxxxii-lxxxix. 

 Prairie - soil of Manitoba, organic 



carbon & nitrogen in, 138. 

 Preller, C. S. Du Riciie, The Age of 



the principal Lake-Basins between 



the Jura & the Alps [title only], ci ; 



presents topogr. map of Switzer- 

 land, ci. 

 Preston H., on a new Boring at Cay- 



thorpe (Lines), 29-32 figs. 

 Prestwich medallist, xxx. 

 Primary (& secondary) devitrification 



in glassy igneous rocks, 429-44 & 



pi. xxvi (microscop. sects.). 

 Primitia Maccoyii, 308. 

 Prior, G. T., 101, 298, 300, 408,414. 

 Productive Measures of Cumberland 



Coalfield, 2, 10 et seqq.; age of 



same, 19-21. 

 Ptilopkyllum cictahense, 227-28 fig. 

 Puchwara Pass (India), Dictyozamites 



from, 217, 222 & pi. xv. 

 Pumiceous mudstones (Santa Cruz 



Beds), 163 ; pumiceous tuffs in S. 



Abyssinia, 302. 

 Purbeck Clay, carbon & nitrogen in, 



138, 139. 

 Pyroxenes in Tiree marble, 95, 96, 



99-100 & pi. vi (microscop. sect.). 

 Pyroxenite of S. Abyssinia, 295. 



Quartz in Cligga-Head rocks, 149, 

 157 ; secondary do. ibid., 150, 154- 

 55. 



Quartz- felsites in I. of Rum, 200, 201, 

 205. 



Quartz - mica - diorite in Patagonia, 

 164, 165. 



Quartz-porphyries in Patagonia, 163- 

 64. 



Quartzites of S. Rhodesia, 272, 273, 

 274 ; of S. Abyssinia, 302 ; quart- 

 zite-pebbles in Bunter conglom., 

 316 et seqq., 321-22, 323-25. 



Queensland (Austral.), artesian wells 

 in, 48. 



Radiolarian cherts, rocks reminiscent 



of, 426. 

 Bafinesquina deltoidea, 309. 

 Raisin, Miss C. A., 408; Petrolog. 



Notes on Rocks fr. S. Abyssinia, 



coll. by Dr. R. Kcettlitz, 292-306 



& pi. xxi (map). 

 Rajmahal Hills (India), Dictyozamites 



from, 217, 222 & pi. xv. 

 Range-diagram, of Lr. Liassic foss., 



399, 400 ; ' range-graphs,' 400, 402. 

 Reading (Berks), quartzite - pebbles 



from, 325. 



