638 



GENEKAL INDEX. 



Augite-porphyrites of the Troad, 6 '31. 



Australia, West, Mr. W. H. Hudle- 

 ston on a collection of fossils and 

 rock-specimens from, 582. 



Bagshot-beds of the London Basin, 

 Mr. H. W. Monckton on the, 348 ; 

 correlation of the, with the Hamp- 

 shire series, 352. 



■ Sands, Upper and Middle, 348. 



, Lower, 348, 349. 



■ , Upper, MM. Tawney and 



Keeping on the section at Hord- 

 well Cliffs from the top of the 

 Lower Headon to the base of the, 

 566. 



Balloch, section in the, under Coni- 

 veall, 372. _ 



Banavie, section through, 155, 



Banbury and Hook Norton oolites, 

 227. 



Bangor, Prof. T. G. Bonney on the 

 rocks between the quartz-felsite and 

 the Cambrian series in the neigh- 

 bourhood of, 478. 



, drifts at, 113. 



Baron-Hill Park, Prof. T. G. Bonney 

 on a section recently exposed in, 

 470. 



Basalt-glass of the Western Isles of 

 Scotland, Prof. J. W. Judd and Mr. 

 G. A. Cole on the, 444. 



, Distribution and mode 



of occurrence of, 446 ; specific 

 gravity of, 448 ; physical properties 

 of, 450 ; solubility of, in acids, 451 ; 

 chemical composition of, 453 ; mi- 

 croscopic characters of. 457. 



Basalts of the Troad, 633. 



Bathycoelia Slatteri, 176. 



solida, 177. 



Beaumaris, drifts near, 113. 



, Prof. T. G. Bonney on a section 



recently exposed in Baron-Hill Park 

 near, 470. 



Beinn Nan Tom, section through, 

 155. 



Ben-an-Uarran, 395. 



Ben Arn aboil, ground between, and 

 Ben Heilem, 402 ; structure of, 

 403. 



Ben Eay, section from, to Glen 

 Carron, 145. 



Ben-Eyn series of Archaean rocks, 

 159. 



Ben More, 393. 



Ben-More Grit, 360. 



Ben-na-creisag, 395. 



BenUarran, 394 ; section from the west 

 end of, to the road south of Inch- 

 nadamff, 371. 



Ben Uie, 394. 



" Bergstiirze," effects of, in the for- 

 mation of lakes, 79. 



Bigsby Gold Medal, award of the, to 

 Dr. H. Hicks, Proc. 36. 



Blackpool, drifts of the coast from, 

 to St. Bees, 106. 



Cliffs, section in, 109. 



Blackwater river, probable changes of 

 the course of, 597. 



Blanford, W. T., Esq., award of the 

 Wollaston Gold Medal to, Proc. 29. 



Bonney, Prof. T. G., on the horn- 

 blendic and other schists of the 

 Lizard District, with some addi- 

 tional notes on the serpentine, 1. 



, on Boulders of hornblende 



picrite near the western coast of 

 Anglesey, 254. 



, on a series of rocks from the 



North-west Highlands, 414. 



, on a section recently exposed in 



Baron-Hill Park, near Beaumaris, 

 470. 



, on the rocks between the Quartz- 

 felsite and the Cambrian series in 

 the neighbourhood of Bangor, 478. 



, on the lithological characters of 



some rocks from Boss- and Inver- 

 ness-shires, 159. 



Bootle, drift section exposed in the 

 North Docks at, 85 ; plan of Atlan- 

 tic Docks at, 86. 



Boulder-clay of South Brecknockshire 

 and East Glamorganshire, 45 ; 

 section of, in Ely valley, near 

 Cardiff, 45 ; intruded, in South 

 Wales, 48. 



and sands, low-level, 123. 



of the Atlantic Docks, Liver- 

 pool, Mr. D. Robertson on the, 

 129. 



Boulders, Mr. D. Mackintosh on the 

 position of, relatively to the under- 

 lying ground in North Wales and 

 North-west Yorkshire, Proc. 6j. 



of hornblende picrite, Prof. 



Bonney on, near the western coast 

 of Anglesey, 254. 



Brebag, 393. 



Brecknockshire, South, Mr. J. W. E. 

 David on glacial action in, 39. 



erratic district, 42. 



Brook, in the Isle of Wight, Prof. 

 Seeley on the dorsal region of the 

 vertebral column of anew Dinosaur 

 (Spkenospondyhcs) from the Weal- 

 den of, 55. 



Brown flags, 362. 



Brvnker Station, section of drift at 



ii4. 



