496 



INDEX. 



Gravel, containing chalk flints, over green-sand, Green matter of the Portland-sand, 108. 



within the Wealden tracts, 153. 

 , remarkable accumulation of, at Muswell 



Hill near Highgate, Middlesex, 293, note. 

 — , superficial, in Bedfordshire, a very exten- 



sive deposit, 293. 

 of Bucks and Bedfordshire, some fossils 



of, 296. 

 — — of Cambridgeshire, of two kinds, 304, 



note. 



much conceals the strata in the eastern 



counties, 304-305. 

 , mass of, over the brown-coal formation, 



in the environs of Bonn, 455. 

 Graystone House, account of the limestone near, 



50, and note. 

 Graves, M., " Marbre a Paludines", in the Pays de 



Bray, 328. 

 Great Colm (in Cumberland), enumeration of beds 



composing sides of, 87. 

 to Ingleton, notice of a section from, 



95. 

 Great Ridgeway fault (in Dorsetshire), descrip- 

 tion of the, 36. 

 Great scar limestone, description of, 70 ; full of 



fissures, 71. 

 — — caverns, 71. 



Greenock, Lord, fossils of the Kentish coast col- 

 lected by, 112. 



Green quartzose slate of Cumberland, notices of, 

 48. 



dislocated, 



but not contorted, 55 ; and why, 55. 



Green quartzose slate of Cumberland, contains no 

 organic remains, 48. 



, no 



continuous bed of limestone, 48. 



— , supposed 



origin of the, 55. 

 Green-sand, the term objectionable ; but adopted ; 



why, 105, note. 

 in Devonshire, no subdivisions, 233, 



322. 



-, list of fossils, 239. 



- in Dorsetshire, described, 9. 



reposes successively 



on the Purbeck beds, Portland stone, Kimme- 

 ridge clay, Oxford clay, inferior oolite, lias and 

 red marl, 10. 



in Normandy, 



• ' , not formed by the 



mere long continued action of water, 71. 

 , how some were 



probably formed, 71. 



on Kimmeridge clay, coral rag, and Oxford 



clay, 11. 

 Green-sand, Lower, mineralogical nature of the 



pebbles composing the conglomerate beds, 116, 



117. 

 includes concretions of chert. 



117, 118. 



between Penigent and 



Kirkby Stephen, contains no bands of coal, 72. 

 , beds of reddish sandstone 



easily removed by water, 



197, note. 



-, eroded cavities on its surface. 



alternate with, in the lower part, 72. 



passes upwards by alter- 



nations into a group of sandstone and shale, 72. 



Great upper shale, description of, between Peni- 

 gent and Kirkby Stephen, 81. 



Green matter of the Lower green-sand, analysed 

 by M. Berthier, 108, 109, note. 



of the green-sands, analysis of, 



by Dr. Turner, 108, and note. 



the same in several different strata. 



containing gravel, 1 44. 

 , chalk-flint gravel on its sur- 



face, within the Wealden denudation, 153. 

 , general remarks on its cha- 



racters and distribution in the South-east of 

 England, 323. 

 — , in contact with Kimraeridge- 



clay at Little Brick Hill, Bedfordshire, 295. 

 with sand of the 



of sand, 108. 

 of the beds above the chalk, 333. 



Portland strata, at Swindon, 265. 

 , its thickness in the South- 



east of England estimated, 319. 



