STEGOCEPHALIA 



129 



examples from the Lower Permian of Lebach, near Saarbrticken, are described, of 

 w-Mcli 102 are figured. The remains, lacking usually the tail, occur here in siderite 

 nodules. A. decheni, v. Meyer. 



Sparagmites, Fritsch ; Discosaiirus, Credner (Fig. 193, G). Lower Permian : 



Saxony and Bohemia. 



Chelidosaurus, Fritsch. 

 Like Archegosaurus, but 

 with broader and shorter 

 skull, and no lachrymals. 

 Lower Permian ; Bohemia. 

 C. vranyi, Fritsch. 



Actinodon, Gaudry (Fig. 

 218). Basiocciput ossified. 

 Vomers each with one large 



Archeciosaurv.s decheni, v. Meyer. Lower Permian ; Lebach, near 

 Saarbmcken. Young individual wit^ traces of gill arches, i/i (after 

 H. V. Meyer). 



Archegosaurus decheni, v. Meyer. 

 Skull of adult individual, i/o. Per- 

 mian ; Lebach, near Saarbrucken. 

 Pmx, Preraaxilla ; Mx, Maxilla ; La, 

 Lachrymal ; Prf, Prefrontal ; Ptf, 

 Postfrontal ; For, Postorbital ; St, 

 SO, Supratemporals ; Sq, Squamosal ; 

 Pa, Parietal ; QuJ, Quadrato-jugal ; 

 Ep, " Epiotic " ( = Supra temporal). 



tooth and numerous rugosities. Vertebrae rhachitomous. Lower Permian 

 of Autun, France, and Rhenish Prussia. 



Gaudrya, Cochleosatirus, Fritsch. Lower Permian ; Niirschan, Bohemia. 

 Euchirosaurus, Gaudry. Permian ; France. 



Sderocephalus, Goldfuss (Onchiodon, Gein. ; Weissia, Branco). Over 1 m. 



VOL. II K 



