LABYKIXTHODONTIA. 139 



42742. A split slab showing the imperfect skeleton of a still 

 younger individual. Van Breda Collection. 



2761. Fragment of rock showing the imperfectly preserved skull 

 of a young individual. Van Breda Collection. 



Cryptobranchus tschudii (Meyer 1 ). 

 Syn, Andrias tschudii, Meyer 2 . 



Smaller than C. maximus, with a skull of nearly the same form, 

 and a similar short manus. 

 Hah. Europe (Germany). 



42730. Slab showing the impression of the greater part of 

 {Fig.) the skeleton ; from the Lower Miocene of Rott, near Bonn, 

 Siebengebirge. The type specimen : figured by Meyer 

 in the ' Palseontographica,' vol. vii. pi. ix. fig. 1. 

 The animal lay on its back ; most of the bones have 

 perished, and the impressions of the bones of the manus 

 have disappeared since the specimen was figured. A 

 comparison of Meyer's figure with that of C. maocimus 

 given by Moesch in the ' Neujahrsblatt nat. Ges. Zurich,' 

 1887, will show the resemblance between the two. 



Van Breda Collection. Pur chased, 1871. 



Order LABYRINTHODONTIA. 



Body long, and usually lacertiform (occasionally anguiform), with 

 a tail ; pectoral limbs (when present) shorter than the pelvic limbs ; 

 the latter, and usually the former, being pentadactylate. Skull 

 (fig. 29) with the temporal region completely roofed over by post- 

 orbital and supratemporal bones, and with paired supraoccipitals and 

 distinct epiotics 3 , and a parietal foramen. Teeth pointed, with a 

 large pulp-cavity, and the dentine either simple or more or less pli- 

 cated. Vertebrae either amphiccelous and fully ossified, or with a 

 notochordal canal, or with large intercentra and the centra repre- 

 sented by paired lateral pieces (pleurocentra). A bony thoracic 

 buckler on the ventral aspect composed of a median (interclavicle) 

 and two lateral (clavicles) plates (fig. 44). Bony scutes frequently 

 present on the ventral aspect of the body. 



Teeth are very generally present on the palatines and vomers and 

 more rarely on the pterygoids. There is very generally an ossified 

 sclerotic ring. 



1 Palajontographica, vol. vii. p. 49 (I860). 2 Loc. cit. 



3 Baur regards the bone here termed supratemporal as the squamosal, aud 

 vice versa. He also regards the bone generally termed epiotic as the episthotie. 



