;o6 



Fresh Water Aquarium 



SNAILS. 

 Every aquarium might contain a few of 

 these harmless and interesting" mollusks. 

 They feed on algae or plants, of which almost 

 every aquarium contains an abundance and 

 they are in no way detrimental to the well 



Fig. 122. Trumpet Snail, Plat, 

 bis corncus. 



being of all the other animal inmates of the 

 aquarium. 



The Trumpet Snail (Plaiwrbis corncus) 

 is the best known and most common of all. 

 It lives in ponds or slow-flowing streams 

 with soft muddy bottoms. The head bears 



