110 



THE UNIVERSITY SCIENCE BULLETIN. 



Footprints of a Gigantic Amphibian. 

 H.T.Martin. 



PLATE I. 



I2in. 



vzm. 



m i^ 



Jft Gill. 



2ft Gin. 



Eroded inU-rval 10ft. 



<J> TSZ 



Erodt'd interval 8ft. W 



2ft. 



Eroded interval 12ft. 



H^n 



