PLATE LVI. 



Fig. 1. A large dermal spine which was possibly associated with the 



heavy bony girdles near the base of the tail. X ^^• 

 Fig. 2. One of the massive dermal plates of Stegopelta, which may have 



formed part of another girdle like the elem.ents in figs. 6 and 7. X Vz- 

 Fig. 3. The median dorsal scute between the ilia. X Vi- 

 Figs. 4 and 5. The teeth of Stegopelta. x IVz. 

 Figs. 6 and 7. Dorsal and posterior views of large bony girdle, which 



probably encircled the tail near the base, x Vi- 

 Fig. 8. Detail of the surface of the left ilium; one of the dermal scutes, 



one-half natural size. 

 Fig. 9. A heavy dermal plate, which may possibly have been associated 



with the element shown in figure 2 to form another girdle. (See 



Wieland, 1909, Amer. Jour. Sci., March, p. 251, fig. 6.) X Vi- 



