THE FOSSIL FOOTMARKS OF THE UNITED STATES. 



255 



Plate XX. Fig. 8. 



" 9. 

 " 10. 

 " 1. 



XXI. 



XXII. 



XXIII. " 



1. 



2. 

 3. 



4-6 

 7. 

 8. 

 9. 

 10. 

 1,2. 

 3. 



4. 

 5. 



XXIV. " 



6. 

 7. 

 1. 

 2. 

 3. 



Sketch of a Salamander, with three toes in 



front. 

 Slab reduced of Anomoepus scambus. 



" " several species of animals. 



" " tracks of Anomoepus scam- 



bus, &c., the upper side. 

 The under side of the same. 

 Slab of same species, the upper side. 

 Reduced slab of the tracks of Anisopus Dew- 



ejanus, upper side. 

 Do. of Anisopus gracilis, under side. 

 " Hoplichnus quadrupedans. 

 " Macropterna rhynchosauroidea. 

 " M. recta. 

 " M. divaricans. 

 " Xiphopeza triplex. 

 Slab, natural size, of Macropterna divaricans f 

 Slabs of an unknown species, reduced. 

 Reduced slab, showing various species from 

 Mr. Marsh's cabinet (iEthyopus, Anisopus, 

 and Helcura). 

 Herpjstezoum Marshii, reduced. 

 Slab reduced of Harpagopus giganteus, 

 Brontozoum parallelum, and iEthyopus 

 minor. 

 Sketch of Algyra barbarica. 



" Salamandra Beecheyi. 

 Reduced slab of Harpagopus Hudsonius. 

 " H. dubius. 

 " iEthyopus minor. 



(( 



