R. L. Moodie — Coal Measures Amphibian. 



511 



anatomy, with comparative references to such other ancient 

 forms as are available. Little can be said of the vertebral col- 

 umn since only the molds of a few vertebrae remain, and 

 these are so obscured by a closely adherent pellicle of carbona- 

 ceous material that their form cannot be distinctly discerned. 

 They, are high with relatively broad neural spines. There are 

 no ribs preserved. The pelvis is obscured, but it is possible to 



Fig. 2. 



Fig. 2. Left leg and pelvis of Ichthycanthus platypus Cope, from the Coal 

 Measures of Ohio, x 1*5. Original the property of the Department of Geol- 

 ogy of Columbia University. 



c = centrale ; F — fibula ; fi = fibulare ; Fe = femur ; i = intermedium ; 

 II = ilium ; T = tibia : t. 1-5 = distal tarsal ia ; ti — tibiale ; V = caudal 

 vertebrae ; I- V = digits. 



determine the presence on an elongate ilium and an ischium. 

 The leg of the left side is the best preserved of all the ele- 



