135 Geological Retitarks oil the 



foutrd to contain any simple aud regular spiral ant-* 

 valves, p. 42 and 43. 



Gyrogonhes, small round hollow (furrowed) bodies, re- 

 sembling no known recent body, found at Trapped 

 near Versailles, in the decomposing soil (denominated 

 fresh- water soil by our Authors) which, when fresh 

 dug, resembles hard siliceous limestone, p. 57. 



Leaves of vegetables and stalks, at Gentilly, Saint-Ger- 

 main, Villepreu.\, &c., brownish, in the lower beds 

 of the green earth, that underlay the building-stone 

 rock of the coarse limestone soil. p. 48. 



■ ' and parts of vegetables are found, changed into 



silex, near the top of the hill at Longjumeau, in (al- 

 luvial) sand. p. 57. 



Lituoliies of two species, in the chalk strata, p. 42. 



Lymnece shells agreeing with recent species, at Romainvllle, 

 in a white and friable calcarer-us mass above the gyp- 

 sums ; and at Trappe near Versailles, in amarle therd 

 used in af:;ricultnre, which when fresh dug resembles 

 hard siliceous limestone, p. 51, bQ and 57. 



— coarse shells in silex, are found in the (allu- 

 vial) sand, on the tops of the hills at Longjumeau. 

 p. b7. 



Mactre shells are found in the yellow argillaceous marlc 

 that is above the thick green potters' earth of (he gyp- 

 seous formation, p. 32. 



Madrepores, at Chaumont, Gentilly, Grignon, Guespelle, 

 Issy, Meudon, Pallery, Sevres, Vaugir^rd, &c., in 

 tiic lower beds of the coarse limestone, p. 47. 



J[laJ7imiferce, bones of, at Antoni, Bagneux, Chelles, Cla* 

 mart, Grisy, Montmartre, Triel, Valerain-mont, &c. 

 in the upper gypseous mass. p. 51 and 53. 



— skeletons, of large unknown kinds, are 



found in the putrid alluvium (of some of the valleys), 

 of the basin of Paris, p. 58. 



Jilillepora, (a polyper) of decomposing pyrites, in the chalk 

 strata, p. 42. 



Mollusci of the chalk strata are quite different from the testa*- 

 ceous mollucsi of the strata above the chalk, p. 54.- 



Muscles of one particular species are found ia the chalk 

 strata, p. 42. 



I ■ ■' at Chaumont, Gentilly, Grignon, Guespelle, Issy, 

 Meudon, Pallery, Sevres, Vaugirard, &c., in the lower 

 beds of the coarse limestone, are found to be of other 

 species, p. 47. 



