Stratification of France and England, 135 



Camprey shells, at Gentilly, Saint Germain, Villepreux, 

 &c. ill the building-stone rock above the coarse lime- 

 stone, p. 48. 



Cardium shells are found in the yellow argillaceous marie, 

 some distance above the green potter*s earth of the 

 gypsous soil, near its top. p. 52. 



Caryophylla^a (a polypicr) in the chalk strata, p. 42. 



Ceriie^ shells, often in fragments, at Gentilly, Grignon, 

 Meudon, Montniartre, &c., in Uie lower beds of tlie 

 coarse limestone, and in the freestone, p. 34 and 55, 



, tuberculat^'.d, at Gentilly, Saint- Germain, 



and Villepreux, &c. in great numbers in the building- 

 stone rock, above the coarse limestone, p. 48. 



-, often in fragments, in the yellow argilla- 



ceous marie near the upper part of the gypseous for- 

 mation, p. 52. 



Cranium, or skull, of yonoe animal, in the chalk strata, p. 42. 

 Elephants* holies of unknown species, at Scran, 6:c, in the 



alluvium (of valleys), p. 58. 

 Filrous shells, resembling very thick pinns, in fragments, 



in the chalk strata, p. 42. 

 Fish (not shell-fi-sh), at Montmartre in the marbled gray 

 gcouring (not building) stone of the middlemost gyp- 

 sum mass, having scattered nodules [rognons) of sul- 

 phatcd stroniian in it^ lower beds. p. 50. 

 — — skeletons, at Montmartre, Dammartin, Montmorency, 

 &c., in the gypsum or intervening marles.ofihe upper 

 gypsum mass or tirst of the quarrymen. p. 51. 

 Fie^h-nater shoW'i (resembling recent species of such shells) 

 Lynmeae and PJanorbes, at Montmartre, Komainville, 

 &c., in the upper gvpsum mass, or the niarles which 

 , cover it ; and from the decomposing stone at Trappe, 

 near Versailles, (denominated fresh-water by our Au- 

 thors) resembling siliceous limestone, when first dug. 

 p. 51 and bQ, 

 Fipjgites, at Chaumont, Gentilly, Grignon, Gucspelle, 

 Issy,, Meudon, Palkry, Sevres, Vaugirard, 8cc., in the 

 lower beds of the coarse limestone, p. 47. 

 Ceodes, round stones, some hollow, of a very fine-grained 

 limestone, c(mtaining multitudes of small spiral uni- 

 valves ; whose cavities contain a new variety of cry- 

 stallized sulphate of stroniian, called apotamous sul- 

 phated strontian ; these gcodes are found in**a marley 

 (alluvial) sand, in some places,at Bougival near Marly, 

 covering the chalk strata, which are themselves not 



found 



