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GENERAL INDEX. 



[Nov. 1905, 



JS T aticopsis brevispira, 533 & pi. xxxv. 



Natural History Museum, Tertiary 

 foss. f'r. Somaliland in, 155-80, w. 

 map & pis. xvii-xxi. 



Ndoruma (Congo Free State), 647. 



Nekton & stratigraphy, lxxv. 



Nerincea contrasted w. Campanile, 

 161. 



Nermcga-Bed at Blea Wyke, 442, 

 446-47. 



Netley Heath (Surrey), fossilif. ironst. 

 fr. Plioe. sands of, xcv. 



Netting - structure in serpentines, 

 700, 714. 



Nettlebank & Speedwell marine bed, 

 501-503. 



Nettlebank Colliery (Staffs.), Archceo- 

 cidaris from, v, 529 & pi. xxxv, 547. 



Newbiggin (Northumberland), pre- 

 Glacial gravel-deposit at, 68 fig. 



Newbridge Hill (Somerset), White 

 Lias, &c. at, 420. 



Newcastle-under-Lyme Group & its 

 flora, 310 et seqq. 



Newstead boring (Staffs.), list of fossil 

 plants from, 312. 



Newton, E. T., exhibits specim. of 

 Fayolia fr. Ilkeston, i ; (& H. H. 

 Aunold-Bemrose) on an Ossiferous 

 Cavern of Pleistocene Age at Hoe- 

 Grange Quarry, Longcliffe, near 

 Brassington (Derbyshire), 43-63 & 

 pis. v-viii. 



Newton, R. B., on the Tertiary Fos- 

 sils of Somaliland, as represented 

 in the British Museum (Natural 

 History), 155-80 w. map & pis. 

 xvii-xxi; [on Pecte7iMayer-Eymari\, 

 677. 



Newton House (Yorks), Dogger, &c, 

 near, 453. 



Niangara (Congo Free State), 646-47. 



Niarbyl (& Lonan) Flags (I. of Man), 

 position of, 366-68. 



Nicholson, Major, 43. 



Nieri, Mt. (Upper Nile), sect, at, 652 ; 

 rocks from, 662. 



Nile Y alley (Egypt), Eocene & Creta- 

 ceous of Esna-Aswan reach, 667-78 

 w. map & sect. ; see also Lado. 



Niobe-Beds of Arenig, 614. 



Nomenclature, triple, in classif. sedi- 

 ment, rocks, lxxx. 



Norites fr. St. Davids-Head district, 

 585 & pi. xxxix. 



North Seaton (Northumberland) sect, 

 to Bebside, 84. 



Northampton Sands, Lytoceratidas 

 from, 142-47 figs. & pis. xv-xvi. 



Northumberland & Durham Coalfield, 

 superficial deposits & pre-Glacial 



valleys of, 64-96 figs. & pi. ix (map) ; 



bibliography of marine bands in 



C.-M. of, 527. 

 Norton Colliery (Staffs.), marine band 



at, 507, 509. 

 Norway, Geol. Surv. map presented, 



xc. 

 Nottinghamshire Coal-Measures, bib- 

 liography of marine bands in, 526 ; 



list of marine fossils from, 543-44. 

 Nubian Sandstones of Esna-Aswan 



reach, 669 et seqq. 

 Nucula gibbosa, 536 & pi. xxxv. 



oblonga, 536 & pi. xxxv. 



Nuculana acuta, 536 & pi. xxxv. 



Sharmani, 536 & pi. xxxv. 



Number of Fellows, &c, ix, xix-xxi. 



Octoplicata-suhzone in Bristol area, 



190, 205, 215 ; faunal characters of, 



260. 

 Officers elected, xxii. 

 6^^'a-Liraestone of Arenig, 620-21 . 

 Olchfa Shales of Arenig, 622-23. 

 Old Down., see Olveston. 

 Oligoclase-porphyrite fr. Carnacben 



Wen, 598 & pi. xl. 

 Olivine, format, of serpentine from, 



691-93 & pi. xlv. 

 Olveston (Gloucest.), Carb. Limest. 



near, 239. 

 Oolitic limestone fr. Buta, 655-56 & 



pi. xliv. 

 Oolites (Jurassic) in Oxon., 440; in 



N.E. Yorks, 441 et seqq. 

 Operculina fr. Somaliland, 175 et seqq. 



■ complanata, 175, 176. 



Operculin a-Tiimestone of Nile Valley, 



669. 

 Opposite relative intensity, areas of, 



in twin-earthquakes, 2(5-28 figs. 

 Orbiculoidea nitida, 530 & pi. xxxv. 

 Orbitolites (?) fr. Somaliland, 177. 

 Ordovician system, classification of, 



lxxxi et seqq. ; Ord. rocks of Arenig 



district, 609, 618-28. 

 Oreton (Salop), Carb. Limest. of, 



252-53. 

 Organisms included in strata, changes 



in nature of, lxx-lxxviii ; in limest. 



& dolomites of S. Tyrol, 124-27. 

 Orthids in Carb. Limest., range of, 



246. 

 Orthis-lenticularis Band of Arenig, 



613. 

 O^'s-Liniestone of Arenig, 627-28. 

 Ortlioccras spp. (Coal-Measures), 542. 

 Orthoceras aff. asciculare, 542 & pi. 



xxxvi. 

 Orthotetes crenistria (muts. Z & C), 



296. 



