FAUNA AMERICANA. 203 



Locality. The bones of the Megalonyx were 

 found for the first time in 1796, at the depth of 

 two or three feet, in Green-briar county, western 

 part of the state of Virginia. 



Order PACHYDERM AT A. 



Char. Sometimes three sorts of teeth, some- 

 times two only. 



Four extremities solely destined for progres- 

 sion, the toes of which are furnished with nails or 

 hoofs, varying in number. 



No clavicles. Organs of digestion not con- 

 structed for rumination; stomach simple, mem- 

 branous, or more or less divided by membranous 

 septa? ; animals of this class are generally herbivo- 

 rous, some of them, nevertheless, can occasionally 

 subsist on animal food. 



Habit. Varying with the organization. 



Inhabit all warm and temperate countries of the 

 earth. 



1. Family PROBOSCIDEA. 



Char. Superior incisors in form of tusks ; mo- 

 lars compound, few in number. 



