REMARKABLE TORTOISE, TESTUDO LOVERIDGIT. 



491 



Epidermal shields. 

 The epidermal shields are highly characteristic in form, but 

 subject to great variation individually. In several specimens 

 supernumerary shields and other abnormalities occur; for 



Text-figure 3. 



Epidermal shields of the carapace. (Adult ; J uat. size.) 



instance, one adult has twelve marginals on the left side, one has 

 twelve on both sides, and in one the posterior marginals form a 

 deeply serrated border ; the male type has only four vertebrals, 

 one female has the third vertebral divided longitudinally, and 



