Manures, natural or artificial

25. Implements, utensils and tools for agriculture, the arts and mechanical trades.

26. Machines and apparatus, agricultural , motive, industrial and scientific, of ail classes and materials , and loose pièces for the same, including wagons, carts and handearts for ordinary roads and agriculture.

27. Material and articles for public works, such as railroads, tramways , roads , canals for irrigation and navigation , use of waters , ports, lighthouses, and civil construction of gênerai utility, when introduced by authorization of the Government, or if free admission is obtained in accordance with local laws.

28. Materials of ail classes for the construction , repair in whole or in part of vessels, subject to spécifie régulations to avoid abuse in the importation.

29. Méats, in brine, salted and smoked, including bacon, hams, and méats preserved in cans, in lard or by extraction of air; jerked beef excepted»

Commerce.