PLATE XLIX. 



Jurassic Dinosaurs.— Predentata. 



STEGOSAURID.E. 



Page. 



Fig. 1. Gular plate of Stegosaurua nngulatus Marsh 192 



a, superior view; b, side view; c, inferior view. 



Fig. 2. Tubercular spine of sauie species 192 



o, superior view; b, inferior view; c, end view. 



Fig. 3. Caudal plate of Stegosaurus nngulatus 192 



a, side view; b, end view of base; c, view of opposite side; d, thin mar- 

 gin; e, rugose base; /,/', surface marked by vascular grooves. 



Fig. 4. Dorsal plate of same auimal 192 



a, superior surface; b, thick basal margin; <•. inferior surface; other let- 

 ters as in tig. 3. 

 All the figures are one-twelfth natural size. 

 342 



