CHELYDIDAE 



403 



food, and retiring into the pond to swallow it. When left to 

 themselves they are rather nocturnal in their feeding habits. 



m *mm 



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'v^aw 1 -^ 

 - 



r-,flErJ3S; - 



FIG. 90. CJielodina longicollis (Australian long-necked Chelodines). x J. 



Now and then they tuck themselves away for weeks without 

 feeding, for instance when they go through a regular term of 



