Vol. 51.] 



GENEKAL INDEX. 



697 



discovery of limbs of, lxxvii et seqq., 

 355 ; specialization of same, 356 ; 

 systematic position of, lxxxi et seqq., 

 352 ; eyes in, lxxxii ; mouth-for- 

 mula of, 353 : former presence of 

 setas on appendages, 357 ; head- 

 segments, 358 ; so-called trilobite 

 from Ballastowell (I. of Man), 578 ; 

 trilobites in radiolarian rocks of 

 Devon, 646 & pi. xxviii. 



Trochactaonina Eichardsoni, sp. nov., 

 79 & pi. ii. 



Trough of erosion, Bajocian, 411, 431 

 et seqq., & Table vi. 



Trumpetshill (Surrey), Lower Green- 

 sand at, 110. 



Tsi-nan-fu (North China), sketch- 

 section near, 249. 



Tubular forms of growth in oolitic 

 granules, 197 et seqq. ; ascribed to 

 lime-secreting algse, 200. 



Tufaceous limestone in Natal, 54. 



Tuffs in Fishguard area, 175 ; chem. 

 analysis of same, 178 ; in North 

 China, 251. 



Tuffley's Quarry (Gloucestershire), 

 section descr., 408. 



Uetliberg (Switzerland), sections, 371, 

 373. 



Umzimkulu and Umzimkuluana river- 

 valleys, 51 ; sections, 52, 54. 



Upton (Dorset) syncline, 550, 560. 



Upway (Dorset) syncline, 551, 560. 



Uznach (Switzerland), section in lig- 

 nite-deposits, 374. 



Variation, mean radial, of globe, 99. 



Variolitic intrusive rocks in Fishguard 

 area, 183, 185 & pi. vi. 



Venn Cross (Devon), radiolarian rocks 

 of, 618. 



Vesicles in felsites of Fishguard area, 

 173 ; in intrusive rocks ibid., 190. 



Viscous fluid, experiment illustrating 

 mode of flow, 361. 



Vivian, Sir Henry Hussey, see Swansea, 

 Lord. 



Volcanic cones in Madagascar and 

 Nosibe, 65, 70. 



Volcanic rocks, contemporaneous, in 

 Fishguard succession, 158 ; chem. 

 analyses of same, 177 ; Tertiary, in 

 Kiangsu, 251, 252 ; breccias in 

 Mauritius, 468 ; rocks on plain 

 around Euwenzori, 674. 



Volcano of Bourbon, and its connec- 

 tion with Mauritius, 464. 



Walcott, Charles D., Bigsby Medal 



awarded to, xlvi. 

 Walford, Edwin A., on the Lias Iron- 



Q. J. G. S. No. 204, 



stone around Banbury [title only], 

 v. 



Warren House Bocks of Malvern, 1. 



Wastdale, tarns between Duddon Val- 

 ley and, 421. 



Watendlath Tarn, 45. 



Watts, W. W., award from Wollaston 

 Fund to, xxxviii ; Petrographical 

 Notes on the Crush-conglomerates 

 of the Isle of Man, 588 & pis. xx.- 

 xxi. 



Wealden Beds, inversion in Lulworth 

 Cove, etc., 552, 553. 



Wedmore (Somerset), Bhsetic forami- 

 nifera from, xciv. 



Welsh Borders, Denbighshire Series 

 of the, correlated with that of Llan- 

 gollen, 21. 



WenlockBeds, correlation- table, 22.. 



West Bromwich (Staffs.), ' Permian ' 

 succession, 530. 



West Indies, palaeontology and physical 

 geology of the, 255 & pi. xi. 



Westleigh (Devon), radiolarian rocks 

 of, 619. 



Westleton Shingle, origin of, 497 et 

 seqq. 



Wethered, E. B., on the Formation 

 of Oolite, 196 & pi. vii. 



White Cross (Wyre Forest), boring at, 

 540. 



Whitehaven Sandstone Series, 235. 



Wight, Isle of, anticline, 551. 



Wilkinson, W. F., on the Geology 

 and Mineral Eesources of Anatolia 

 (Asia Minor), 95. 



Williams, George Huntington, obituary 

 of, lii. 



Wiltshire, the Eev. T., resigns Trea- 

 surership, ix, lxviii. 



Wistley Hill (Gloucestershire), section 

 descr., 414. 



Witchellia-grit, term defined, 390 ; 

 geographical extent of, 436 ; some- 

 times called ' Perna-bed,' 418. 



Witchelliae hemera, new definition of, 

 421. 



Wollaston Donation Fund, award to 

 W. W. Watts, xxxviii. 



Wollaston Medal awarded to Sir 

 Archibald Geikie, xxxvi. 



Wollaston Medallists, list of, xxv ; re- 

 cipients of awards from fund, xxvi. 



Woodward, Henry, addresses to 

 Medallists, xxxvi et seqq. ; obituaries 

 of deceased Fellows, etc., xlix. ; 

 Presidential Address on some Points 

 in the Life-History of the Crustacea 

 in Early Palaeozoic Times, lxx ; on 

 Trilobites from the Eadiolarian 

 Eocks of North Devon, 646 & 

 pi. xxviii, 



3d 



