Fresh-water Shells. 43 
Who seeks him must be worse than blind 
(He and his house are so combin’d), 
If, finding it, he fails to find 
Its master. 
FRESH-WATER SHELLS. 
Many of the following group of Fresh-water 
Shells, are remarkable for elegance of form, and 
some for richness of colouring’; hence, perhaps, the 
scientific name applied to the family in which they 
are mostly included—Limneide, which, like limn— 
to paint, agrees with the French enluminer. These 

mollusks are found in rivers, streams, ditches, and 
moist marshy places. Like those which live wholly 
on land, they breathe through lungs, and therefore 
cannot exist without air; which accounts for their 
frequently coming to the surface, when undcr 
