PLATE V. 
Fic. 11.—Floating apparatus for the artificial culture of mussels, consisting of a double frame formed 
of beams, on which are fixed, by the aid of hooks, cither vertically or horizontally, as the case requires, 
planks covered with mussels. The horizontal planks, submerged from 15 to 20 centimeters, receive the 
seed-beds of very young mussels, which attach themselves there, and allow the suspension of these 
seed-bed planks vertically. 
Fic, 12.—‘‘ Bouchot fisherman in his acon, which be pushes over the mud.” 
— 
