Fig. 26. — The Stumpv-tail or Shingle-back (Trachysaurus rugosus). 
third eye on the top of the head. The Stumpy-tail produces living 
young, and as a general rule gives birth to twins. Complaints 
have been received of the damage which it does to strawberries 
and other crops, but there is no doubt that in its destruction of 
insects its usefulness far outweighs the harm it does. Two 
introductions are assisting to destroy the Stumpy-tail — wire- 
netting fences and the motor car. On encountering wire-netting 
the lizard endeavours to push its way through the mesh, or to 
climb over it ; owing to the shape of the head and the well-defined 
Fig. 27. — Banded Scink, miscalled “Puff-adder” but harmless 
(Tiliqua scincoides). 
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