GENERAL INDEX. 



727 



Schizoporella fenestra ta, 339. 



phymatopora, 338. 



spiroporina, 340. 



mbmcrsa, 340. 



ventricosa, 338. 



vigilans, 338. 



sp., 339. 



Scotland, Devonian plant from, 306. 



, South, vertical section of Silu- 

 rian rocks in, 1 64- 



Sections :- — of part of Eio Tinto, 3 ; of 

 junction of schist and serpentine, 

 41 ; of quarry at Ceryg Moelion, 

 43 ; of quarry at Plas Goch, 44 ; 

 at the edge of Durdharu Down, 70 : 

 of Thecodontosaurus-bed of Durdliam 

 Down, 73 ; vertical, at north-east 

 corner of Headon Hill, 91 ; vertical, 

 of Lower Headon (freshwater) beds 

 exposed between Weston Chine and 

 Warden Cliff, 98 ; vertical, of Up- 

 per Headon beds in Colwell Bay, 

 103 ; from Aberystwith to the Devil's 

 Bridge, 143; from Cwm Ystwyth, 

 through Craig Bluest, to Ehyader 

 and Gwastaden, 143 ; in railway- 

 cutting between Traws Coed and 

 Caradoc waterfall, 155 ; from Pont 

 Erwyd through the Plynlimmon 

 axis to Liang wrig and Ehyader, 

 159 ; from Strata Florida and the 

 Teifi pools to Ehyader and Gwas- 

 taden, 159; showing general struc- 

 ture of Central Wales, 160; through 

 the Dovey valley at Llan y Mowd- 

 dwy, 163 ; vertical, of Silurian 

 rocks in the English lake-district, 

 South Scotland, South-west Cardi- 

 ganshire, at Ehyader, west of Llan- 

 deilo, at Aberystwyth and Plynlim- 

 mon, Llanbrynmaer, and Llan y 

 Mowddwy, and in the Clwydd yal- 

 ley, 164 ; through Barrah Hill, 194 ; 

 of the Khirthar range, on the north 

 bank of the Gaj river, 194; above 

 Inchuadamff church, 242; of Pur- 

 beck beds in a railway-cutting west of 

 Dinton Station, Yale of Wardour, 

 252; from the Solway, north of 

 Allonby, to near Brampton, 296; 

 from Solway Moss to Dalston, 296 ; 

 from Tordoff Point, Dumfriesshire, 

 to the fault south of Wigton. 296 ; 

 of laminated sand and bent slates 

 on Moel Tryfan, 355 ; of drift-de- 

 posits between Braich and the sum- 

 mit of the ridge, Frondeg, Denbigh- 

 shire, 367 ; of Upper Greensand 

 and chloritic marl, St. Lawrence 

 and Ventnor, Isle of Wight, 374; 

 at Blundellsands, near Liverpool, 



437 ; from Nant Llechos, near Cor- 

 wen, to Moel Morfydd, 487; of 

 boulder-clay with interstratified 

 peat, near Ehodes Bank, Oldham, 

 713. 



Seeley, Prof. H. G., on remains of a 

 small lizard from the Neocomian 

 rocks of Comen, near Trieste, pre- 

 served in the Geological Museum of 

 the University of Vienna, 52. 



, on the reptile fauna of the 



Gosau formation, preserved in the 

 Geological Museum of Vienna, 620. 



, on the caudal vertebra of a Ce- 

 tacean, discovered by Prof. Judd in 

 the Brockenhurst beds, indicative of 

 a new type allied to Baleenoptera 

 (Balcsnoptera Juddi) 709. 



Selenaria alata, 344. 



marginata, 344. 



Serpentine, Prof. Bonney on the so- 

 called, of Porthdinlleyn (Caernar- 

 vonshire), 40. 



, Prof. Bonney on the, of An- 

 glesey, 40. 



Sevenoaks stone, constitution of, 16. 



Shalk Beck, Yoredale grit from, con- 

 stitution of, 11 ; analysis of, 21. 



Shells, of Moel-Tryfan deposit, origin 

 of the, 355. 



Sherborne, vertical section of Inferior 

 Oolite at Oborne, near, 589. 



Shrubsole, Mr. W., on the Carboni- 

 ferous Fenestellida?, 178. 



Silurian grits and sandstones, 7, 25. 



formation, Mr. W. J. Sollas on 



Astroconia Granti, from the. of 

 Canada, 254. 



uniserial Stomatoporas and Asco- 



dictya, Mr. Vine on, 613. 



Sind, Prof. P. M. Duncan on the co- 

 ralliferous series of, 190. 



, Western, Table of formations in, 



192. 



Sivalik group, equivalence of the 

 Manchhar series of Sind with the, 

 202. 



Skomer Island, Mr. F. Eutley on the 



eruptive rocks of, 409. 

 Slaty laminee, bent and shattered edges 



of, at Moel Tryfan, 354, 368. 

 rocks of Anglesey, Prof. Bonney 



on the structure of, 234. 

 series of Anglesey, geographical 



distribution of, 229. 

 of the central zone of 



Anglesey, 218. 

 of the Menai anticline, 213 ; 



of the Llangefni syncline, 214. 

 Smith, Dr. William, presentation of 



portrait of, Proc. 2. 



