44 KEPTII.E GALLERY. 



America. The Gigantic Salamander {Megalohatrachus mammus), 

 from Japan and China, belongs to this family; it is the largest 

 living Batrachian, attaining a length of four feet, and the livmg 



Fig. 33. 



Amphiuma means, from North America. 



representative of the fossil Salamander of (Eningen, the remains 

 of which were originally regarded as those of man {Homo diluvii 

 testis) . 



The ProteidcB and Sirenidce are permanent gill-breathers, and 



