59^ FULIGINOUS AMPHISB^NA. 



those in many of the Lizard tribe. The skin 

 of the Amphisbsense is remarkably strong and 

 tenacious, and of a smooth or glossy surface, and 

 it is probable that they are enabled with great 

 facility to perforate the ground somewhat in the 

 manner of earthworms, in order to obtain occa- 

 sional supplies of food. 



