F I G . 1. A, side-view, and H. underside of oyster dredge. Morbihan, France. The underside of the net is of interlaced alternate
small and larg~ iron rings, arranged so that the large rings lie flat oti the bottom. The net is emptied by hoisting froin the large
ti% eeen at the bottoni. (Z’hoc~: N. A. Holme.)