720 



GENERAL INDEX. 



on presenting one moiety of the 

 Lyell Geological Fund to G. E. 

 Vine, Esq., 35 ; Address on handing 

 one moiety of the Lyell Geological 

 Fund to Prof. H. G. Seeley for 

 transmission to Dr. Anton Fritsch, 

 36; Anniversary Address, February 

 18, 1881. Obituary Notices of De- 

 ceased Fellows : — Searles Valen- 

 tine Wood, 37 ; John Jeremiah 

 Bigsby, 39 ; Bev. J. Clifton Ward, 

 41 ; Prof. D. T. Anstecl, 43 ; Prof. 

 William Hallowes Miller, 44 ; Mr. 

 H. Ludlam, 47 ; Mr. Eobert Clut- 

 terbuck, 48 ; Dr. Edward Meryon, 

 48 ; Mr. Elijah Walton, 48 ; Dr. W. 

 P. Schimper, 49 ; Dr. J. A. H. 

 Bosquet, 50; and M. P. H. Nyst, 

 50. Address on the Analysis and 

 Distribution of the British Palaeo- 

 zoic Fossils, 51. 



Etheridge, B., Esq., 011 a new species 

 of Trigonia from the Purbeck beds 

 of the vale of Wardour, 246. 



, Appendix to Dr. Hicks' s paper 



on some plant-remains in North 

 Wales, 482. 



Fault at Porth-y-defaid, 224; at 



Porth-yr-Ogof, 226. 

 Felin bont, halleflinta of, 217. 

 Felsite schist from near Pont-y-Grom- 



lech, 405. 

 Fenestella crassa, 186. 



halkinensis, 1 87. 



membranacea, 181. 



nodulosa, 183. 



plebeia, 179. 



polyporata, 185. 



Fenestellidae, Carboniferous, Mr. G. 



Shrubsole on the, 178. 

 Fishes, fossil, Mr. J. W. Davis on 



Anodontacantkus, a new genus of, 



from the Coal-measures, 427. 

 Fish-remains of the bone-bed at Aust, 



near Bristol, Mr. J. W. Davis on 



the, 414. 

 Flaggy gneiss of Durness, 239. 

 Flintshire, high-level deposits on 



Halkin mountain, 357. 

 Fonthill Giffard, Portlandian sand 



from, 16. 



Forests, so-called submerged, of West 

 Cumberland and North Lancashire, 

 37. 



Fossils, Mr. J. W. Can-all on the 

 locality of some, in the Carbonife- 

 rous rocks at T'ang Shan, China. 

 83. 



Fossils of the Middle Headon at Hea- 

 don Hill and Colwell Bay, 104-106; 



from the Brockenhurst zone at Whit* 

 ley Bidge, New Forest, 111 ; of the 

 Middle Headon series and Broc- 

 kenhurst beds,, table of, 115; of 

 Central Wales, table of, 170; of 

 the Manclihar series, 204; of the 

 Upper Greensand and Chloritic 

 Marl of the Isle of Wight, 371- 

 373. 



Fritsch, Dr. Anton, award of one 



moiety of the Lyell Geological 



Fund to, Proc. 36. 

 Frodsham, Keuper sands at, 15. 

 Frondeg gravel-pits, 360 ; shells 



found in, 360 ; boulders in, 360, 



361. 



Gaerwen, gneiss of, 212. 



Gaj river, section on the north bank 



of the, 194. 



series, 195 ; corals of the, 201. 



Gardiner's Biver, quartz rhyolite from, 



396. 



Garthen valley, fossils from, 156. 



Geikie, Prof. A., presentation of the 

 Murchison Medal to, Proc. 29. 



Geyser basin, Lower, spherulite rock 

 from the, 395 ; vitreous tuff from 

 the, 396. 



Glanrhyd, grey gneiss of, 219. 



Gneiss, grey, of the Llangefni area, 

 218 ; of Glanrhyd, 219. 



Gneissic series of Anglesey, geogra- 

 phical and stratigraphical distribu- 

 tion of, 227, 228. 



of the Menai anticline, 211; 



of the Llangefni syncline, 216 ; 

 of the central zone of Anglesey, 

 219. 



Gosau beds of the Neue Welt, Prof. 

 Suess on the, 702. 



formation, Prof. Seeley on the 



reptile fauna of the, 620. 



Granitoid gneiss, structure of, from 

 Pen Bryn yr Eglwys, 235. 



Granitoidite of Llanerchymedd, 219. 



Graptolites, dendroid, Mr. C. Lap- 

 worth on the, in the Llandovery 

 rocks of Mid Wales, 171. 



Gravel and sand, arrangement of, in 

 the Moel-Try fan deposit, 353 ; high- 

 level, between Minera and Llan- 

 gollen vale, Denbighshire, 359 ; 

 high-level, near Llangollen, 363 ; 

 of Macclesfield forest, 363 ; high- 

 level, in Caernarvonshire, 357 ; in 

 Ireland, 357 ; on Halkin Mountain. 

 357. 



Great Orton, section through, 296. 

 Green-quarter Fell,constitutionof grit 

 from, 9. 



