112 



STUDIES IN THE EVOLUTION OF ANIMALS 



may have become partially eroded. Indeed, in some fragments, 

 the platelets are almost wholly defaced, as shown in Fig. 62 (#). 

 But I think that any unprejudiced evolutionist will not fail to see 



FIG. 62. Bone-rosettes from other species: (a) from carapace of Hoplophorus ; (b] from 

 carapace of H. Megeri; (c] from fragment of a Hoplophorus (Natural History Museum). 



in them the ' blocks/ so to speak, from which the Jaguar got its 

 imprints \ 



Moreover, on the pelvic shield of Polacanthus Foxii, Fig. 63 

 (a), the remains of a Stegosaur in the Natural History Museum, 

 and on the tail armour of a Hoplophorus, (b) we find armour-plates 



