3 o8 



Fresh Water Aquarium 



ular winding of the shell, running to a rather 

 sharp point. Its color is dark brown. It 

 is common in slow-flowing rivers and ponds 

 and in its habits resembles the trumpet 

 snail. The Mud Snail lives on aquatic plants 



Fig. 123. Banded Swamp Snail, Paludina vivipara. 



and should therefore be kept only in aqua- 

 riums where a thinning out of the vegeta- 

 tion is desired. 



The Banded Swamp Snail {Paludina vivi- 

 para) has a short cone-shaped shell. The 

 head is blunt and carries long, slender 

 feelers which bear the eyes on the base. 

 The foot is broad and long. The color of 



