Any person who wilfully and knowingly deposits or assists in depositing any starfish or periwinkle, any shellfish imported from another state and infected with a communicable disease or parasite, or any oyster other than the species Ostrea Virginica in any of the tidal waters of this state, or who dumps mud or other material, except that used in making oyster beds, on any ground located and designated as oyster ground, shall be fined not more than two hundred dollars or imprisoned not more than six months for each bushel, or fraction thereof, of such material so deposited or dumped.