. . . . "foods, fresh water foods, river water foods, inland water foods, including fish, fish prawns, snakes, mussels, oysters, salmon, tuna, hilsa, bhetki, squids, octopus, frogs, crabs, shrimps, lobsters and other crustacean, mollusca, aves & mammilla and to do all foregoing activities in respect of feeds, manures, pesticides, meats, furs, feathers, blood, medicines and other goods, articles, and things" . . . .