Fig. 38. Invertebrate animals from 76S square inches on mud bottom, Habitat 

 No. clvi, Field No. 1034, water 11 feet deep. Chironomid larvcE predominate. 

 Amnicola has the greatest number of individuals among the mollusks. Many 

 of the molluscan shells (as well as all the caddis-tiy cases) are without the 

 animals and they arc not counted in the valuation tables. The mussels collected 

 are not figured. 



