ANCIENT SALAMANDERS 



95 



by Dr. Fritsch, have been very well preserved in those deposits 

 of the Permian age, so that he was able to recognise in 



PIG. 17. Part of skeleton of a Labyrinthodont, Archegosaurus Decheni, 

 from the Permian, Saarbriicken. (After H. von Meyer.) The snout is incomplete. 

 The three ventral plates are seen near the head. 



some cases the signs of the gills, by means of which, in early 

 life, they breathed in water, like fishes. And so it is manifest 

 that they did go through a series of metamorphoses. 



