FOOD AND FEEDING IN FRESH-WATER MUSSELS. 
469 
flourish there, and these, with the detritus from the decay of all the living forms, 
will supply food for the juvenile mussels placed in the pond or to which the water 
from the pond is conveyed. The problem of the rearing of young mussels is made 
easier by the fact that they will thrive on any of the microscopic animal and plant 
forms and their detritus, and it is unnecessary to plan any complicated arrange- 
ments to provide special food for them. 
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