44 OUR EEPTILES. 



of a light yellowish grey above, with a black 

 line running down the back, and with black 

 bellies. The mature reptile is cylindrical, or 

 slightly squared, in form, gradually decreasing 

 towards the tail, which ends abruptly. The 

 latter often equals the body in length, and is 

 covered above and below, as well as the body, 

 with small, rounded, closely-fitting scales. The 

 eyes are small, and provided with moveable eye- 

 lids. The tongue is broad, but not very long, 

 and notched at the tip ; and the teeth are minute, 

 and slightly hooked. 



