OF THE SWISS JURA AND ENGLAND. 



237 



Fossils from the ' Oolithe Corallienne ' and 4 Galcaire a Nermees ' 



(continued). 



Nerita sigaretina, Buv 



Turbo tegulatus, Munst , . . 



Trochus angulatoplicatus, Munst. 



Pileopsis, sp 



Patella, sp 



Oardium corallium, Leym 



Diceras arietinum, Lam , 



Lithodomus socialis, Thurm , 



Terebratula insignis, Sckilbl , 



rnoravica, Glbck 



Bauhini, Et. 



Pygaster tenuis, Ag 



Stylina tubulifera, Phil. 

 G-irodi, Et. 



Thecosmilia crassa, d' Orb. 



laxata, Et 



dichotomy, Koby 



Rhabdophyllia flabellum, Et. 

 Isastrea explanata, Goldf. . . 

 Thurmarmi, Et. 



Thaninarea arborescens, Et. . . 

 Thainnastrea concinna, Goldf. 



Convexastrea, sp 



Cryptocoenia limbata, Goldf. . . 

 decipiens, Et 



ioccenia corallina, Koby 



Stylosmilia Michelini, Edw 



Oalaiuophyllia flabellum, Blainv. 

 Dendrohelium coalescens, Goldf. 



Epismilia multisepta, Koby 



delemontana, Koby 



magna, Koby 



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Eh 



The Seqaanian or Astartian consists of a greyish, compact,- and 

 often oolitic limestone, with some marly beds. A very constant 

 fossiliferous marly zone occurs about the middle of the series. 



The section at Yorbourg, where the whole of the Astartian is 

 seen, is as follows, commencing at the summit : — 



ft. in. 



16. Thinly bedded limestones 1 0 



15. Thick grey limestones 14 0 



14. Limestones similar to 16.. 1 6 



13. Thick limestone 3 0 



13 a. Ditto 4 0 



12. Thin limestones 8 0 



11. Irregularly bedded limestones 13 0 



10. Irregular limestones 30 0 



9. Thick, whitish, oolitic limestones 34 0 



