3G Slrophomena. TERRAINS PALÉOZOIQL'ES. 



York, Niagara, Clinton, Illinois; Canada; Angleterre, Diuiley, Moch- 

 tee; Norwège, île de Gothland; Bohême, Prague. 

 14:8. scabrosa, d'Orb., 1848. Orthis scabrosa, Davidson, 1847, Lon- 

 don Geolog. joiirn., p. Cl, pi. 13, lig. 14, 15. Angleterre, Wen- 

 lock. 



149. antîquata, d'Orb., 1847. Leptœna antiquata, Davidson, 1847, 

 Geolog. journ., pi. 2G, f. 5. Orthis antiquata, Sow., 1839, Sil. Syst. 

 Angleterre, Wenlock, Walsall. 



ORTHIS, Dalman, 1827. Voy. p. 17. 



150. elegfantula, Dalman. Hall, 1843, no 8, f. 1. 0. canalis, Sow., 

 1839, in Murcli. Sil.Syst., pi. 13, f. 12 a, 0. vrhicularis, Sow., id., 

 pi. 5, f. 6. Angl., Wenlock, Dudley ; Etats-Unis, New-York, Tennes- 

 see; Norwèije.Gotliland. 



ISl.hybrida, Sow., 1839, Sil. Syst., pi. 13, f. 1 1; Hall, 1843, n" 13, 

 f. 7; Davidson, 1847, London Geolog. journ., p. 63, pi. 13, fig. 13, An- 

 gleterre, Wenlock -limestone; Etats-Unis, New-York, Tennessee ; Ca- 

 nada ; Goililand ; Bohême. 



*152. rustîca, Sow., 1839, in Murch. Sil. Syst., pi. 12, fig. 9. 0. rus- 

 ticael rigù/a, Davidson, 1847, London Geolog. journ., pi. 13, lig. 1-1. 

 Angl., Wenlock-Rock. 



153. arg^enfca, Hisingcr, 1837, Letbœasuecica, p. 72, pi. 20, fig. 15. 

 Suède. Draggàn, Raltvik, Skatlungby, Dalecarlia. 



154. zonata, Dalman, 1827, pi. 2, fig. 1 ; de Buch, Mém. de la Soc. 

 Géol., 3, p. 219, pi. Xll, fig. 23. Norwège, Ostgothland. 



155. Bouchardi, Davidson, 1847, London Geolog. journ., p. 64, 

 pi. 13, fig. ,')-S. Angleterre, Wenlock-limeslone, Benihall, Edje. 



156. l.ewisii, Davidson, 1847, London Geol. journ., pi. 27, fig. 4. 

 Angleterre, Dudley, Walsall. 



15^. calli^^ramma, Dalman. Voy. Etages Siluriens, no 281. Angle- 

 terre, Wenloïk. 



158. œauivalvis, Davidson, London Geol. journ., pi. 27, fig. 5. 



Angleterre, Wenlock, Walsall. 

 159. biloba, Davidson, 1847, Geolog. journ., pi. 25, fig. 8. Spirifer 

 ca7-diospermiformis ; anomia biloba, L'm^^é. Spirifer sinuatus, Sow., Sil. 

 Syst., pi. 13, fig. 10. Delliris varica, Conrad. Angleterre, Wenlock ; 

 Etats-Unis, New-York. 



160. IValsalliî, Davidson, 1847, Geolog. journ., pi. 25, fig. 9. An- 

 gleterre, Wenluck, Walsall. 



161. circulîs. Hall, 1843. Natur. hist. of New-York, n" 6, fig. 1. 

 Etats-Unis, New-Yoïk, Niagara. 



162. demissa. Daim., 1. c, p. 33, pi. 2, fig. 7. Hisinger, 1837. Le- 

 thgea suecica, p. 71, pi. 20, fig. 14. Suède, in OElandia ad Bo- 

 dahamn. 



163. callactis. Daim., 1. c, p. 28, pi. 2, fig. 2; Hisinger, 1837, Le- 

 tliaia suecica, p. 70, pi. 20, fig. 9. Suède, Oslrogolliia ad Husbysjol; 

 Vestrogotliia à Vlimda, près de Billingen. 



164. Da>idsonî, Vcrncuil. 0. caUigramma, var. Davidson, Angle- 

 terre, Walsall. 



1G5. siiiuosa. Hall. Ortkii furmosa, U. Davidson, Angleterre, V/al- 

 sall. 



