724 



INDEX. 



Asia Minor, description of, between Kodj-hissar 



and Caesarea of Cappadocia, 583, 590. 

 Askeaton, notice of a metalliferous bed north of, 



65. 

 Aspal, section of well at, 377. 

 Asterias, notice of portions of, found in a well at 



Hampstead, 132. 

 Atlas and axis of the Ichthyosaurus, on the 



structure of, 187. 

 always 



anchylosed, 187. 

 Audley mines, description of, 26. 

 Austen, R. A. C. Esq., band of culm-measures 



between the Ashburton limestone and granite, 



discovered by, 652 note, 689. 

 Avon Mouth, notice of a false stripe in the slate 



rocks near, 655, 658. 



the strata near, 658. 



Axes of the ridges composing the Cordillera of 



the Andes, constituted of rocks which are to 



be met with only in the valleys, 627. 

 Axis of mountain chains, observations respecting, 



619. 



B. 



Babbacombe Bay, arenaceous beds of, resemble 



old red sandstone, 651. 

 Babbacombe limestone, identified with that of 



Newton Bushel and Torbay, 652. 

 Bacalao Head, outburst of a submarine volcano 



off, Feb. 1835, 602. 

 Back, Capt. R.N., notice of Orthocerata obtained 



by, 704. 

 Baculite, observations on its having probably 



been an internal shell, 709. 

 Baggy Point, description of the raised beach near, 



279. 

 , notices of the older strata near, 642, 



643, 648. 

 Bahamas, notice of, 121. 

 Balingdon, section at, 375. 

 Ballybunnian, notices respecting the geology of, 



40, 46. 

 Ballycastle, notices of the formations near, 71, 



74, 79. 



Ballydehob mine, notice of, 26. 

 Ballyhicky, notice of lead mine of, 66 note. 

 Baltic Boulder Formation, description of, 244. 

 — , inferences deduced from a section 



of, on the right bank of the Elbe, 245. 

 Bangnapilly, remarks on the diamond mines, and 



vicinity of, 541. 

 Barnstaple Bay, description of a raised beach in, 



by Professor Sedgwick and Mr. Murchison, 



279. 

 observations on the beach by 



the Rev. D. Williams, 287. 

 Barnstaple slates or fifth group of North Devon, 



range of described, 643. 

 placed on a parallel with the 



Petherwin group, 694. 



remarks on the fossils of, 694. 



Barrow, depth of diluvial clay at, 376. 



Barton, notice of corals found in the limestone of, 



697. 

 Basalt, alternations of, in Cutch, with sedimentary 



formations, 312. 

 calcareous 



grit, 313. 



travertin. 



514. 



of the Coalbrook-dale-field, described, 



449. 



notice of, in the Brown Clee Hill, 126. 



Basaltic district of India, on the fossils of the 



eastern portion of, 537. 

 rocks of western and central India, de- 



scription of, 537 et seq. 



ob- 



servation on the age of, 565. 

 . more 



recent than the stratified rocks of the country, 



565. 

 Bath oolite, beds containing fossil plants stated 



to form upper part of, on the Yorkshire coast, 



234. 

 characters of, on the coast of York- 



shire, 231. 



distribution of fossils in, 232, 238. 



sections of at Cloughton Wyke, 



White Nab and Cayton Bay, 237. 



