Vol.51.] 



GENERAL INDEX. 



683 



Borrowdale, tarns between Thirlmere 

 and, 45. 



Boscastle district (Cornwall), radio- 

 larian rocks in, 620. 



Bothriospondylus madagascariensis, sp. 

 nov., 329 ; B. robustus, dorsal ver- 

 tebra of, 335. 



Boulder Clay in Narborough district, 

 31 ; B. 0. succession in Scotland, 

 474 ; blue and brown, near Kes- 

 wick, 493. 



Boulder-transport in Isle of Man dis- 

 cussed, 366. 



Boulger, G. S., Geological Notes of a 

 Journey round the Coast of Norway 

 and into Northern Russia, 494. 



Bourbon volcano, and its connexion 

 with Mauritius, 464. 



Bovey Tracey (Devon), radiolarian 

 rocks near, 625. 



Bowels Dingle (Wyre Forest), ' Per- 

 mian ' at, 539. 



Brachiopod-fauna? (Oolite), chronolo- 

 gical sequence in Cotteswolds and 

 Dorset, 439 & Table vii. ; brachio- 

 pod sequence of Oolite Marl Series, 

 458 & Table viii. 



Breccias, volcanic, of Goodwick Bay, 

 159 ; in Mauritius, 468 ; ' Permian,' 

 in Clent district, 530. 



Brecciation in Isle of Man rocks, 

 method & age of, 580. 



Bridestow (Devon), radiolarian rocks 

 near, 663. 



British Carboniferous species of Mur- 

 chisonia, enumeration of, 214 ; 

 their distribution in different sec- 

 tions, 216. 



Broad Down (Malvern), 2 et seqq. 



Broadway (Dorset) anticline, 551, 

 560. 



Buckholt Wood (Gloucestershire), 

 section descr., 405. 



Buckland, Dean, portrait purchased, 

 xciv. 



Buckle Wood Quarry (Gloucester- 

 shire), section descr., 407. 



Buckman, S. S., on the Bajocian of 

 the Mid Cotteswolds, 388 & 

 pi xiv. 



Buckmani-grit, term defined, 390, 

 393. 



Burnmoor Tarn, 42 ; plan of, 43. 



Butagu section (Ruwenzori), descr., 

 672. 



Bwlch Mawr (Pembrokeshire), perlitic 

 rocks of, 172 & pi. vi. 



Caerlem (Pembrokeshire), cryptocrys- 

 talline felsite of, 174 ; amygdaloidal 

 rock of, 187. 



Calcareous oozes, chem. composition 

 of, 322 ; comparison of same with 

 Tertiary & Cretaceous chalk, 326. 



Calcite-crystals in radiolarian chert, 

 631. 



Caliendrum, 213, 217 ; see also Mur- 

 chisonia. 



' Calm ' = white altered shale, 485. 



Canonsleigh (Devon), radiolarian 

 rocks of, 619. 



Cantrill, T. Crosbee, on the Occur- 

 rence of Spirorbis-limestone and 

 thin Coals in the so-called Permian 

 Eocks of Wyre Forest ; with Con- 

 siderations as to the Systematic 

 Position of the ' Permians ' of 

 Salopian type, 528. 



Carboniferous British species of Mur- 

 chisonia, enumeration of, 214 ; dis- 

 tribution of same in different sec- 

 tions, 216 ; foreign species of same, 

 217. 



Carboniferous Limestone, conglome- 

 rates derived from, in Shantung, 

 243. 



Cardiodon, possible substitution of 

 name for Bothriospondylus, 336. 



Caribbean and Panamaic faunas, re- 

 lations of, 300 ; Caribbean area,, 

 physical history of, as affected by 

 correlation of Barbados rocks, 296, 

 308. 



Cam Ffoi (Pembrokeshire), felsites 

 of, 171. 



Cam Gelli (Pembrokeshire), felsites, 

 163 ; chem. analysis of same, 177, 

 178. 



Cam Hendy (Pembrokeshire), basalt 

 of, 190. 



Carn Pica (Pembrokeshire), re-cemen- 

 ted lava-flow, 176 ; chem. analysis 

 of same, 178. 



Carposphcera, spp. a, b, c, & d (Lower 

 Culm), 635, 636 & pi. xxv. 



Carrock Fell (Cumberland), grano- 

 phyre of, 125 ; sketch-map of dis- 

 trict, pi. iv. ; diagram showing 

 atomic ratios of constituents in 

 rocks of district, 146. 



Carzantic quarry (Cornwall), 622 & 

 pi. xxiv. ; microscopic section of 

 radiolarian rock from, 630. 



' Caustic ' action of fluid magma upon 

 solid rocks, 137. 



Cavernous Nagelfluh of the Uetliberg, 

 etc., 371. 



Caves in lava, and underground riv.rs,. 



etc., in Mauritius, 466, 467 » 

 Cenellipsis, spp. a, b, c, & a (Lower 



Culm), 638 & pi. xxvi. 

 Cenosphmra (?), from Melbourn Rock, 

 605 & pi. xxii. ; C. pachydcrma, 



