43 



antennae, that the animal is quite incapable to move freely in the water, and 

 of course is always bound to the bottom, dragging itself slowly through the 

 loose mud chiefly by the aid of its powerful posterior antennae which may act 

 as a sort of shoving-implements for throwing away the mud in its route. 



Destribiition. British Isles (Brady), Mediterranean at Nice (Marquis de 

 Folin), Atlantic Ocean down to 410 fathoms (Valorous Expedition). 



