Great Salamanders and their Associates 



These were not the first amphibian tracks 

 to be described from our country, for in 1845 

 Dr. Alfred T. King recorded quite a number 

 from Westmoreland County, Pa., and even be- 

 fore this, in 1848, Mr. Logan had noted their 

 occurrence in Nova Scotia. Those described 

 by Dr. Lea, however, are from a much lower 

 level than the others, and this denotes a cor- 

 respondingly greater degree of antiquity. 



/P 

 5 



Tracks of a reptile and two am- 

 phibians from the coal-measures 

 of Kansas. Reduced. (After 

 Marsh.) 



It may seem that a mere print in the mud 

 is somewhat scant evidence of the existence of 

 huge amphibians, but the tracks of amphibia 



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