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THE WONDER OF LIFE 



FIG. 17. Frilled Lizard of Australia (Chlamydosaurus kingi) with a great 

 erectile frill on the neck, folded when the creature runs, expanded 

 when it stands at bay. The animal grows to nearly 3 feet. (After 

 Saville Kent.) 



new and interesting material. The creatures in question 

 are often spoken of as ' horned toads ', the false classifica- 

 tion being probably suggested by their squat shape, their 

 sluggish ways, and their habit of catching insects on a 

 sticky tongue. True lizards they undoubtedly are, and 



