part 4] 



a^NEiiAL i]srl)EX. 



463 



Miocene (Lr.) of Vancouver I., I>etf- 

 mustylns from, Ixix-lxx. 



Mochleusis defined, Ivii. 



Moel-Fferna-Corwen area, Silurian. 

 &c. of, 197. 



Moel-fryn (Merioneth), sect, to Bala, 

 136; Caradocian, &c. of, 150-52 

 w. vert. sect. & list of foss. ; vert, 

 sect, at, 154 ; Moel-fryn Sand- 

 stones, 143 ; Moel-fryn Displace- 

 ment, 161. 



Monograptiis-crispus & M.-sedgtcicki 

 Zones in Bala district, 137 et seqq. 



Mugearite in nomenclature, 270 ; 

 mugearite of Knowles Hill, 264, 

 267 w. chem. anals. & pi. xi. 



Mull (Argyll), xenolithic Tertiary 

 minor intrusions in, 229-60 figs. & 

 pis. vi-x (microscope-sects.). 



Mull-of-Oa Phyllites, 99 et seqq. 



Mullach Glac an t'Sneachda (Mull), 

 sapphire, &c. at, 237. 



MuRCHisoN medallists & recipients 

 of M. Fund, lists of, xxv ; M. 

 medal awarded to J. W. Evans, 

 xxxix-xl ; M. Fund, award to H. 

 Bolton, xliii. 



Murray Town ('Sierra Leone), 303. 

 309. 



Muscovite in Plioc. deposits of Corn- 

 wall, 358. 



Mynydd-Cricor area (N.Wales), Va- 

 lentian of, 195-96 ; M. C. Nodal 

 Anticline, 210-11. 



Names of Fellows read out, i, Ixxv. 



Nant-Aber Derfel (Merioneth), Llan- 

 deilian of, 144-45 w. list of foss. 



Nant Ehyd Wen (Merioneth). Cara- 

 docian of, 145-46. 



Nant T'yn-y-twmpach (Denbigh- 

 shire), sect, descr., 198. 



Nant-y-Bache Group, 206-207. 



' Nappes ' (tectonic) in S.W. High- 

 lands, 82 et seqq. ; ' nappe ' defined, 

 87 ; metamorphism of, 92-93 w. 

 map. 



Newton Abbot (Devon), composite 

 sill at, 261-70 figs, & pi. xi (micro- 

 sco]je-sects.). 



Nicholas, T. C, 168. 



Nickeliferous rocks in Sierra Leone, 

 322. 



Nicolella-actoniae fauna, 170. 



Nine- Acre Pit (Shenley Hill), sects. 

 descr. & fig., 16-18. 



Nodal anticlines defined, 209, 226. 



Norite of Sierra Leone, 299-347 figs. 

 & pis. xvi-xix 



Number of Fellows, &c., xvii-xx. 



Officers (& Council) elected, xxi. 



Oldham, E. D., ix ; retires fr. office 

 of President, xx : addresses to 

 medallists & recipients of Funds, 

 xxxviii et seqq. ; obituaries of de- 

 ceased Fellows, &c., xlv-liv ; on 

 the Cause & Character of Earth- 

 quakes, Iv-lxviii. 



Olivine in Sierra-Leone noritic com- 

 plex, 327-28, 339, 341 & pi. xix. 



Olivine-dolerite of Knowles Hill, 2G8 

 & pi. xi. 



Orchesis defined, Ivii. 



Ordovician, see Bala, &c. 



Orthis hirnantensis differentiated fr. 

 Strophotnena siluriana, 165-66 fig. 



Palaeozoic (Lr.) of Llangollen district, 



176-226 figs. & pis. iii V (geol. 



maps & sects.). 

 Pandy Ash, 131, 182. 

 Paracas (Peru), Carboniferous plants 



from, 278-84 fig. & pi. xiii. 

 Parsons, L., 285. 

 Part, G. M., 374. 

 Pegmatite, noritic, of Sierra Leone, 



310-11. 

 Peloiieustes philarcus, model presen- 

 ted, Ixxiii. 

 Pen-Creigiau Barcut (N. Wales), 



sect, to Cae-mawr, 185. 

 Pen-y-Dallgwm (Merioneth), Ashgil- 



lian, &c. of, 155-57 w. sect. & lists 



of foss. 

 Pen-y-graig Ash, 181, 182-83. 

 Peru, Carboniferous plants from, 



278-84 fig. & pi. xiii. 

 Pettitt, N. E., appointment con- 

 firmed, iv. 

 Fhacoys-mucronatus fauna, see Foel- 



y-Ddinas Mudstones. 

 Phillijysinella-parabola fauna, 172. 

 Picrite at Knowles Hill, 262 et seqq,, 



264-65 w. chem. anal. 

 PiDGEON Fund, see Daniel- Pidgeon 



Fund. 

 Pitlochry Schists & Grits, 98 et seqq. 

 Plas-uchaf Grit, 180, 190-91. 

 Plattnerite exhibited, iii. 

 Plesiosauria, see Leptocleidus. 

 Pliocene of Cornwall, 348-77 w. map 



& figs. 

 Polcrebo (Cornwall), Pliocene (?) of, 



352-53, 356. 

 Pont-y-Ceunant Ash, 140-41. 

 Poplars Pit (Shenley Hill), sect. 



descr. & fig., 23. 

 Port-Ellen Phyllites, 99 et seqq. 

 Portaskaig Conglomerate, 99 et seqq. 



