690 



GKX.ERAL IXDEX. 



[jS'ov. 1909, 



Monograptus cyplius, zone of, 486 



et seqq. figs. 

 rheidolensis, sp. nov., 534-35 



figs. ; zone of, 468, 485 et seqq. 

 sedgwicki, relations of, discussed, 



486 ; zone of M. s., 468, 496 et seqq. 

 tenuis — Graptolites discretus, 



495. 



triangulatus, zone of, 488 et seqq. 



Morgan, P. G., 378. 



Morgan, E., 243. 



Moubray, J. M., 411, 429. 



Mount Partry Beds (Arenig), 106-15 



figs., 140. 

 Muchinda Valley (Rhodesia), 413, 424, 



428; Muchinda sync-line, 431, 

 Murchison medallists, list of, xxviii ; 



M. Geological Fund, list of awards 



from, xxix. 

 Mu tenia, see Intanga. 

 Mwomboshi E. (Rhodesia), 415. 

 Myherin Group (Ystwyth Stage), 516 



et seqq. 



Names' of Fellows read out, cxxvii, 



cxxviii. 

 Nant Fuches-wen (Cardigan), sect. 



descr. & fig., 493-97. 

 Nant Fuches-gau (Cardigan), sect. 



descr. & fig., 480, 481. 

 Nant Meirch (Cardigan), sect, descr. 



& fig., 497-500. 

 Nant-y-M6ch Eeds (Plynlimon Stage"), 



468-69; sect. nr. Nant-y-M6ch, 



470, 472 et seqq. 

 Nantlle Valley (Snowdon), sketch of 



Cwm on S. side of, 327 figs. 

 Napp Farm, see Flakstado. 

 Neck, volcanic, in Tourmakeady dis- 

 trict, 139'; do. of Penmaenbach, 191. 

 Nematophyllum (Lithostrotion) minus, 



580 & pi. xxvii. 

 Nephrite of S. island of New Zealand, 



366-78 w. chem. anals. & pi. xvi 



(microscop. sects.). 

 Neuropteris obliqua, 26 & pi. i. 



rarinervis, 26 & pi. i. 



scheuohzeri, 26. 



tenuifolia, 26 & pi. i. 



(Cgclopteris) sp., 26-27. 



New Red Sandstone in W. England, 



petrography of, 229-45 & pi. xii. 

 New Zealand, nephrite & magnesian 



rocks of S. island of, 351-81 figs. & 



pis. xv-xvi (microscop. sects.). 

 Nodules, Cretaceous planl-bearing, fr. 



Japan, 195-205 & pi. ix. 

 Nord coalfield, distrib. of Kent C. M. 



flora in, 35 et seqq. 

 Norite, see Labradorite-norite. 

 North Curry (Somerset), impressions 



of salt-crystals in Keuper sandst. 



from, v. 

 North Wales, glacial erosion in, 281- 



350 figs. & pi. xiv (map). 

 Nubian Sandstone (& cryst. rocks), 



relats. of, S. of Kharga Oasis, 41- 



54 figs. &pl. ii (map). 

 Number of Fellows, &c, ix, xx. 



Ocean, age of the, Ixxxix-cxii & map. 



Odontopferis lindleyana, 27 & pi. i. 



Old Red Sandstone (Lr.) rocks in 

 Glen Coe district, 611 et seqq., 621 

 et seqq., 623. 



Oldham, R. D., on the Geological 

 Interpretation of the Earth-MoTe- , 

 ments associated with the Cali- 

 fornian Earthquake of April 18th, 

 1906, 1-16 figs., 20. 



Ohgocene (?) of Bovey Tracey, 163 

 et seqq. 



Oliver Gill (Cumberland), junction of 

 Eskdale Granite & Rorrowdale 

 rocks, 57- 



Olivine-gabbro fr. New Zealand, 374 

 & pi. xvi. 



Opaline grits of Chigona, &c, 424. 



Opercidinu-U\ mestones, 49. 



Orcheseism & orchesis, 12, 17- 



Order of separation of minerals (Esk- 

 dale Granite, &c.), C>2-(i3 ; in labra- 

 dorite-norite, 90 et seqq., figs. 



Ordovician, igneous & sedimentary, of 

 Tourmakeady district, 104-54 figs. 

 & pis. iv-vi ; Ordovic. & Silur. rocks 

 of Conway, relat. of, 169-94 figs. & 

 pi. viii (map & sect.) ; see also Hart- 

 fell-Valentian. 



Omithosuchus woodwardi, 440. 



Orthograpfus truncaius, sp. differen- 

 tiated from, 477. 



Ostrea wegmanniana, 445 et seqq. 



Otago (New Zealand), magnesian rocks 

 of, 360, 361. 



Ottreiite-phyllites of Tintagel district, 

 266-67. 



Ouse Valley (Sussex;, see Seaford. 



Overthrusting in Tintagel district, 

 271 et seqq. & figs. (274, 276), 278 

 ct seqq. 



Paleolithic implements fr. Hackpen 



Hill, &c, 166-68. 

 Pampisforcl (Cambs.), boulders in 



Drift of, 256-57. 

 Parapara (New Zealand), serpentine 



of, 354-55 & 11I. xv. 

 Parkinson, J., 279. 

 Partry, Mount, see Mount Partry. 

 Pasde Calais Coalfield, distrib. of Kent 



CM. flora in, 35 a seqq. 



