R. S. Lull—Stegosaurus tmgulatus Marsh. 369 



Fig. 5. 



Fig. 6. 



Fig. 5. Section of neck. 

 Fig. 6. Section of trunk 

 ters as in fig. 5. 



After Lull, pi, plate ; r, rib ; v, vertebrum. 

 After Lull, p, transverse process ; other let- 



