324 



Lloyd's natural history. 



occur in the Lower Oligocene of the Isle of Wight, and the 

 apper molars of which are shown in figure A of the accom- 

 panying illustration, belong to what is called an inadaptive 

 type— that is, one which has died out without leaving descen- 

 dants. These long-tailed animals, some of which reached the 

 dimensions of an averase-sized Mule, were remarkable for the 



Upper cheek-teeth of [A) Anoplothcre, {B) Palceothere. and {C) Cory- 

 {-hodon. A is from the right, while B and C are from the left side. 



circumstance that the teeth formed a continuous series round 

 the jaws, without any interruption by large tusks ; and they 

 were further peculiar among the group to which they belong in 

 that in some cases there v/ere three toes to each foot, althcugh 



