140 



TYPES OF ANIMAL LIFE 



water, and thus they cannot take good aim to bite. 

 They cannot even live on land, nor has any one yet 

 succeeded in retaining them alive for any considerable 



FIG. 



37- 



THE BOA-CONSTRICTOR. 



time in an aquarium. They feed on small fishes, which 

 they paralyse with their poison and so have nothing to 

 fear from their spines. 



Snakes of the boa-like section (C) are few in number, 



