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1 and 2. Vertebrae of Spondylerpeton spinatum Moodie. X 1. 



3. Type specimen of Mazouerpeton costatum Moodie. X 1. 



4. Type skeleton of Cephalerpeton ventriarmatum Moodie. X 0.9. 



5 and 6. The halves of the nodule containing a practically complete 

 skeleton of Atnphibamus grandicepi Cope. X 1. 

 Originals of above figures in the Yale University Museum. 



