REPTILES LIVING AND EXTINCT. ii 



The beaked Lizards or Tuateras are extinct, with the exception 

 of one soUtary species {Sphenodon puncfalum) which inhabits 

 New Zealand. These Hzards grow to the length of two and a 

 half feet, and can claim to be the last survivors of the race. 



Fig. 7. — (i This is one of the largest of the snakes which are popularly supposed to possess 

 two heads. It is known as the Twee-kop slang or Two-headed snake (Typhlops 

 schlegeiii). This belief has arisen owing to the head and tail being superficially 

 similar to each other. Tliese snakes burrow in the loose sandy soil, eat insects, are 

 harmless and blind. ~ Length of this specimen is 2 feet 3 inches. (2) The head and a 

 portion of the body, viewed from below. (3) The tail end viewed from below. 



