GIANT LAND REPTILES OR DINOSAURS. 133 



is the so-called Stegosaur, of which a considerable 

 portion of the skeleton was found some years ago 

 in digging a well in the Kimeridge clay at Swindon ; 

 this specimen being now preserved in the Natural 

 History Museum. Entire skeletons subsequently 

 found in the United States show that in this extra- 

 ordinary creature the back was protected by a series 



FIG. 39. Restored skeleton of Armoured Dinosaur. About one-sixtieth natura 

 size, sc, shoulder-blade, or scapula ; co, coracoid ; h, upper arm-bone, or 

 humerus ; r, u, bones of fore-arm, or radius and ulna ; c, wrist or carpus ; 

 me, metacarpus ; il, haunch-bone, or ilium ; p, pubis ; in, ischium ; /, thigh- 

 bone, or femur ; ti, fi, bones of lower leg, or tibia and fibula ; ta, ankle, or 

 tarsus ; mt, metatarsus. (After Marsh.) 



of enormous bony plates, standing on edge from the 

 spines of the back-bone, and the whole skeleton thus 

 presenting the remarkable appearance shown in Fig. 39. 

 Towards the end of the tail these plates were replaced 

 by spines. The skull was devoid of horns, and some- 

 what resembled that of the Iguanodon, although more 

 depressed. The teeth of these reptiles resembled the 



