LAND TORTOISES. 



13 



Genus Testubo. (Linn.) 



The technical characters of this genus are that 

 the fore-feet are furnished with five toes each, the 

 hind with four ; the carapace is composed of a sin- 

 o-le piece ; the anterior part of the plastron is not 

 moveable. Above twenty species are described, 

 principally inhabiting the tropical regions ; many 

 of these attain a gigantic size, to which our little 

 European species present no approach. 



One of the most interesting of these giant Tor- 



INDIAN TURTOISE. 



toises is that described by Mr. Darwin as inhabit- 

 ing the Galapagos Islands. It is probably the 



