502 



INDEX. 



Birds, fossil, notice of, found in the marl formation 



at CEningen, 285. 

 Birsingpore, notice of the geology near the town 



of, 193. 

 Bitumen interposed between laminae of sandstone, 



near Thurso, 133. 



near Barrowgill Castle, 134. 



Bituminous schist, notice of, on the banks of the 



Alt-Grant, and the Alness, 14G. 

 Black Head, near Ilsam, Devonshire, mass of trap, 



noticed, 16!). 

 Black Sea, reference to Pallas's account of the 



northern shore of the, 496 note. 

 Blankenstein, structure of, 2,53. 

 Bleiberg, transition rocks containing organic re- 

 mains occur at, 306. 



— list of, 307. 



Blue marl of Nice, description of, 176. 

 Blumenbach, notice of his opinion that the fossil 



birds found at CEningen are chiefly aquatic, 



285. 

 Boghelcund, on the geology of a portion of, 191. 

 Bognor, Sussex, list of fossils found in the arena- 

 ceous limestone of, 203. 

 Bograi, notice of the geology in the vicinity of, 



196, 197. 

 Bohemia, the primary mountains of, have not been 



elevated since the period of the Jura limestone, 



381. 

 Bohemian mountains, secondary and tertiary for- 

 mations rest horizontally against the primary, 



on the outskirts of the, 380. 

 Bokhara, notice of the geology of the country 



between the Oxus and, 494. 

 Bolam Dyke, probably more recent than the mag- 



nesian limestone, 63. 

 Bolghen, account of the geological phaenomena 



presented in the, 334. 

 Bolsover Moor, description of the small-grained 



dolomite of, 84. 

 Bone bed, notice of the occurrence of, in the lias 



at Batheaston, 229. 



-= — at Broadway hill, near Evesham, 229. 



Combwich on the Perrot, 228. 



Bouguer's estimate of the proportion of the light of 

 the sun to that of the moon and of the stars, 

 297 note. 



Boulders, description of the erratic, of the Eastern 

 Alps, 406. 



do not occur in the plains of Styria, 



407. 



inference drawn from their absence, 



407. 



of Shap granite occur on the banks of 



the Tees, 52 note. 

 and pebbles of slate, contained in the 



lower beds of the mountain limestone of Craven, 



2, 15. 

 Bowscale Fell, slate of, contains much chiastoiite, 



2. 

 Bowttee, geological structure of the cataract of, 



192, 199. 

 Bracklcsham, Sussex, list of fossils found in the 



London clay of, 202, 

 Bradford clay, account of, near Bath, 255. 

 considered as a member of the 



forest marble, 255. 

 fossils found in, 274. 



Braemore, old red conglomerate of, noticed, 137. 



Bramham Moor, account of the small grained dolo- 

 mite of, 85. 



crystalline limestones of various 



colours occur in the quarries on, 90. 



section of the lower divisions of 



remarks on the origin, nature, and ex- 

 tent of the, 229^ 



the magnesian limestone on. 111. 



Breccia, description of the, associated with the 

 magnesian limestone, 90, 



two kinds of, occur near Nice, 1 72. 



Breche en place, description of, near Nice, 172. 



Bregenz, molasse in the neighbourhood of, de- 

 scribed, 327. 



great thickness of, 327. 



Brescia, reference to accounts of the mines near, 

 497 note. 



Brewster, Sir David, on the origin and structure 

 of the diamond, 4:55. 



Bridgewater, notice of coprolites found at Comb- 

 wich, near, 228. 



Broderip, W. J., Esq., remarks on the habits oi 

 modern Iguanas, 430, 431. 



