194 



PALEONTOLOGY. 



in splitting spheroidal con- 

 cretions from the coal-field 

 of Saarsbruck, near Treves. 

 They were originally re- 

 ferred to the class of fishes 

 (Pygojoterus Lucius, Agas- 

 siz) : but a specimen from 

 the Brandschiefer of Mtin- 

 ster-Appel presented char- 

 acters which were recog- 

 nized by Dr. Gergens to be 

 those of a salamandroid rep- 

 tile* Subsequently discov- 

 ered specimens have been 

 described and figured by 

 Goldfuss,t V. Meyer,t and 

 myself. § The name A rche- 



* Mainz, Oktober 1843. "In 

 clem Brandschiefer von Milnster- 

 appel in Bhein-Baiern habe ich in 

 vorigen Jahre einen Salamander 

 aufgefunden. Gehort dieser Schie- 

 fer der Kohlen-formation ? in 

 diesem falle ware der Fund auch in 

 anderen Hinsicht interessant. (Le- 

 onhard und Bronn, Neues Jahrbuch 

 fur Mineralogie, etc., 1844, p. 49.) 

 f "Archegosaurus, Fossile-Saurier 

 aus dem Stein kohlengebirge die 

 den Uebergang der Ichthyoden zu 

 den Lacerten und Krokodilen Wi- 

 den," p. 3. (Beitrage zur vorwelt- 

 lichen Fauna des SteinJcoJilenge- 

 Urges, 4to, 1847.) 



| Eeptilien aus der Steinkohlen 

 Formation in Deutchland, Secbster 

 Band, Pala3ontographica,1857,p.61. 



§ Quarterly Journal of the Geo- 

 logical Society, -vol. iv., 1848. 

 Catalogue of Fossil Reptiles, Mus. 

 Coll. Chir., 4to, 1854, p. 117. 



