188 PASSENGER TURTLE. 



much duller than those of the male, though the dis- 

 tribution is the same. 



Another American species, the Columba Caroli- 

 nensis of authors, also belongs to this genus. 



Our next plate represents a beautiful, though di- 

 minutive, species, which we have provisionally placed 

 under this genus, though it is probable, from its geo- 

 graphic distribution, and that of another species dis- 

 covered by Freycinet, as well as from some differ- 

 ences of structure, tliat it will eventually be found 

 the type of a distinct group. It is the 



