304 Mr. Bell on the Box Tortoises, 



Spkcies 2. 



LoNGicAunATUM. K. Testa oblongd subtricurinata ; scutis ilor- 

 sulibus striate sulcatis ; marginalibus 25 ; caudd elungatd 

 crassd. 



K. longicaudatutn, Spix. Test. Nov. Braz. p. 17. tab. XII. 

 Habitat in Brazilia. 



Shell oblong, slightly tricarinaled ; dorsal plates striated ; 

 marginal plates 25 ; tail long and thick. 



This species is readily distinguished from the former by the 

 number of marginal plates, as well as by the much slighter degree 

 in which the shell is carinated. 



Species 3. 



Brevicaudatum. K. Testd ovata-subglobosd ; scutis dorsalibus 

 non striatis ; marginalibus 25 : caudd brevissitnd. 

 K. brevicaudatum, Spix. Test. Nov. Braz. p. 18. tab. XIII. 

 Habitat in Brazilia. 



Shell ovate-subglobose ; dorsal plates without strijB, marginal 

 plates 25 : tail very short. 



These two species form part of the rich Zoological treasures, 

 which are the result of the labours of Mons. Spix iu Brazil. 



Species 4. 



PENNS.YLVANicnM. A', testd ellipticd Icevi ; dorso planiusculo ; 

 scutis marginalibus 23. 



Testudo Pennsylvanica, Ginel. 1042. Schoepfff p. 107= t. 24. 

 fig. A. 



Terrapene Pennsylvanica. Merrem, p. 27. 



Cistuda Pennsylvanica. Sot/^ Journ. Ac. Sc. Phil. IV. p. 206. 



Habitat in America Septeotrionali. 



' Shell elliptical, smooth ; back flattened ; marginal plates 23. 



The species, called by Schcepff a variety of Testudo Pennsyl- 

 vanica, with an immoveable sternum, is of course an Eniys. 



