FAUNA AND FLORA OF THE SEA BOTTOM. 



1243 



^-f^EYARD 



Fig. 7. — Local distribution of the polychaetous woiiii Clymenella torquata. This is likewise determined by the character 

 of the bottoni. but is almost the converse of that of Nereis Pelagica, the present species being in a large degree 

 restricted to a muddy habitat. 



