Order— LABYRINTHODONTIA. 



Genus — Labybjnthodon. 

 PLATE 3. 



Batrachia. 



The fossils characteristic of the species Labyrinthodon leptognathus and Lab. 

 pachygnathus, selected as subjects of this Plate, are described in pp. 191 — 193, 

 Vol. in. 



