ORDER I 



STEGOCEPHALIA 



129 



exainples from the Lower Permian of Lebach, near Saarbrücken, are described, of 

 wliich 102 are figured. The remains, lacking iisually the tail, occur here in siderite 

 nodales. A. decheni, v. Meyer. 



Spamgmites, Fritsch ; Discosaurus, Credner (Fig. 193, G), Lower Permian ; 



Saxoiiy and Bohemia. 



Chelidosaurus, Fritsch. 

 Like ArchegosauruSj but 

 with broader and shorter 

 skull, and no lachrymals. 

 Lower Permian ; Bohemia. 

 C. wanyi, Fritsch. 



Aäinodon, Gaudry (Fig. 

 218). Basiocciput ossified. 

 Vomers each with one large 



lor 



FIG..216. 



Archegosaurus decheni, v. Meyer. Lower Permian ; Lebach, near 

 Saarbrücken. Young individual with traces of gill arches. i/i (after 

 H. V. Meyer). 



Fig. 217. 



Archegosaurus decheni, v. Meyer. 

 Skull of adult individual, 1/2« Per- 

 mian ; Lebach, near Saarbrücken. 

 Pmx, Premaxilla ; Mx, Maxiila ; La, 

 Lachrymal; Prf, Prefrontal ; Ptf, 

 Postfrontal ; Por, Postorbital ; St, 

 SO, Supratemporals ; Sq, Squamosal ; 

 Pa, Parietal ; QuJ, Quadrato-jugal ; 

 Ep, "Epiotic" (=Supratemporal). 



tooth and numerous riigosities. Yertebrae rhachitomous. Lower Permian 

 of Autun, France, and Ehenish Prussia. 



Gaudrya, Cochleosaurus, Fritsch. Lower Permian ; Nürschan, Bohemia. 

 Euchirosaurus, Gaudry. Permian; France. 



Sclerocephalus, Goldfuss (Onchiodon, Gein. ; JFeissia, Branco). Over 1 m. 



VOL. II K 



