ADAPTATIONS TO SPECIAL ENDS 139 



with attack or defence, and may thus be adaptive in another 



Fig. 12. — Palatal view of dentition of existing Tuatera (A), and extinct 

 Pavement-toothed Tuatera (B). C, Palatal view of dentition of Bean-toothed 

 Reptile (Cyamodus). B, after Boulenger. C, from Guide to Fossil Reptiles, 

 etc., in British Museum (Natural History). 



sense ; thereby forming a connection between adaptations in 

 relation to food and adaptations for attack and defence. The 



