-294 LISTE DES OUVRAGES CITES. 



Stuchbury. On a new genus of Fossil Bivalve Shells. {Annals and mag. ofnat. 



hist. -1842, vol. Vin.) 

 SowERBv. Minerai concliology of Great-Brilain. 1812-1829; G vol. 



— — — iraduclion par Agassiz; 1837. 



VoLTz. Observations sur les Bélemnites; 1830. (Mémoires de la Socklc 



dhisloire naturelle de Strasbourg, 1. 1.) 

 Walcott. Descriptions and figures of petrifactions found in the quarries, etc., 



near Bath. Balh, 1779. 

 YouNG and Bird. A geological Survey of Yorkshire coast. 1822. 

 ZiETEN. Die Versteinerungen Wurleraberg's; 1830. 



