110 



THE UNIVERSITY SCIENCE BULLETIN. 



Footprints of a Gigantic Amphibian. 

 H.T. Martin. 



PLATE I. 



I2in. 



I2iii. 



m 12: 



lift Gill. 



'2ft Gin. 



Eroded iiit<'rval 10ft. 



Eroded iiit«M-val 8ft. 



2ft. 



Eroded interval 12ft. 



xr^n 



I II 



