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LIVING CREATURES. 



In our country there are three, and only three kinds 

 of snakes that inflict injury on human beings. These 

 are the snakes that have poisonous fangs. The fangs 

 are entirely distinct from the small holding-teeth. They 

 turn back upon the upper jaw, when not in use ; and 

 are thrust forward, when the snake is about to strike. 

 A sac at the root of the fang contains the poison. 



Copperhead. 



which is sent down a groove or canal in the fang and 

 thrown into the wound, at the will of the snake. 

 Poisonous serpents sometimes bite without using the 

 poison. 



The three kinds of venomous snakes are the rattle- 

 snake, the copperhead, and the water-moccasin of the 

 South. These have the poison fangs. No others have 



