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

  28.  Materials of all classes for the construction, repair in whole or
      in part of vessels, subject to specific regulations to avoid abuse
      in the importation.

  29.  Meats, in brine, salted and smoked, including bacon, hams, and
      meats preserved in cans, in lard or by extraction of air, jerked
      beef excepted.

  30.  Lard and butter.

  31.  Cheese.

  32.  Fish and shellfish, live, fresh, dried, in brine, salted, smoked,
      and pickled, oysters and salmon in cans.

  33.  Oats, barley, rye, and buckwheat, and flour of these cereals.

  34.  Starch, maizena, and other alimentary products of corn, except corn
      meal.

  35.  Fruits, fresh, dried, and preserved, except raisins.

  36.  Vegetables and garden products, fresh and dried.

  37.  Hay, straw for forage, and bran.

  38.  Trees, plants, shrubs, and garden seeds.

  39.  Tan bark.

  SCHEDULE B.

  Products or manufactures of the United States to be admitted into Cuba
  and Puerto Rico on payment of the duties stated: 

  40.  Corn or maize, 25 cents per 100 kilograms.

  41.  Corn meal, 25 cents per 100 kilograms.

  42.  Wheat, 30 cents per 100 kilograms.

  43.  Wheat flour, $1 per 100 kilograms.

  44.  Carriages, cars and other vehicles for railroads or tramways,
      where authorization of the Government for free admission has not
      been obtained, 1 per cent ad valorem.

  SCHEDULE C.

  Products or manufactures of the United States to be admitted into Cuba
  and Puerto Rico at a reduction of duty of 50 per cent: 

  45.  Marble, jasper, and alabaster of all kinds, cut into flags, slabs,
      or steps, and the same worked or carved in all kinds of articles,
      polished or not.

  46.  Glass and crystal ware, plate and window glass, and the same
      silvered, quicksilvered, and platinized.

  47.  Clay in tiles, large and small, and mosaic for pavement, colored
      tiles, roof tiles glazed, and pipes.

  48.  Stoneware and fine earthenware, and porcelain.

  49.  Iron, cast, in fine manufactures or those polished, with coating of
      porcelain or part of other metals. (See repertory.)

  50.  Iron, wrought, and steel, in axles, tires, springs, and wheels for
      carriages, rivets and their washers.

  51.  Iron, wrought, and steel, in fine manufactures or those polished,
      with coating of porcelain or part of other metals, not expressly
      comprised in other numbers of these schedules, and platform scales
      for weighing. (See repertory.)