an Act to prevent the importation of impure and unwholesome tea, approved March 2, 1897," and the Act of May 31, 1920, entitled "An Act making appropriations for the Department of Agriculture for the fiscal year ending June 30, 1921," 1 cent per pound. PAR. 16. Calcium carbide, 1 cent per pound; calcium oxalate, 4 cents per pound. PAR. 17. Calomel, corrosive sublimate, and other mercurial preparations, [45 per centum ad valorem] 22 cents per pound and 25 per centum ad valorem. PAR. 18. Carbon tetrachloride, 22 cents per pound; chloroform, 6 cents per pound; tetrachloroethane and trichloroethylene, 35 per centum ad valorem. PAR. 19. Casein or [lactarene,] lactarene and mixtures of which casein or lactarene is the component material of chief value, not specially provided for, 21⁄2 cents per pound. PAR. 20. Chalk or whiting or Paris white: Dry, ground, or bolted, [or precipitated, 25 per centum ad valorem;] four-tenths of 1 cent per pound; precipitated, 25 per centum ad valorem; ground in oil (putty), three-fourths of 1 cent per pound; put up in the form of cubes, blocks, sticks, or disks, or otherwise, including tailors', billiard, red, and manufactures of chalk not specially provided for, 25 per centum ad valorem. PAR. 21. Chemical compounds, mixtures, and salts, of which gold, platinum, rhodium, or silver constitutes the element of chief value, 25 per centum ad valorem. PAR. 22. Chemical compounds, salts, and mixtures of bismuth, 35 per centum ad valorem. PAR. 23. Chemicals, drugs, medicinal and similar substances, whether dutiable or free, when imported in capsules, pills, tablets, lozenges, troches, ampoules, jubes, or similar forms, including powders to put up in medicinal doses, shall be dutiable at not less than 25 per centum ad valorem. PAR. 24. Chemical elements, and chemical and medicinal compounds, preparations, mixtures, and salts, distilled or essential oils, expressed or extracted oils, animal oils and greases, ethers and esters, flavoring and other extracts, and natural or synthetic fruit flavors, fruit esters, oils and essences, all the foregoing and their combinations when containing alcohol, and all articles consisting of vegetable or mineral objects immersed or placed in, or saturated with, alcohol, except perfumery and spirit varnishes, and all alcoholic compounds not specially provided for, if containing 20 per centum of alcohol or less, 20 cents per pound and 25 per centum ad valorem; containing more than 20 per centum and not more than 50 per centum of alcohol, 40 cents per pound and 25 per centum ad valorem; containing more than 50 per centum of alcohol, 80 cents per pound and 25 per centum ad valorem. PAR. 25. Chicle, crude, 10 cents per pound; refined or advanced in value by drying, straining, or any other process or treatment whatever beyond that essential to the proper packing, 15 cents per pound. PAR. 26. Chloral hydrate, terpin hydrate, thymol, [urea,] and glycerophosphoric acid, and salts and compounds of glycerophosphoric acid, 35 per centum ad valorem; diethylbarbituric acid and salts and compounds thereof, $2.50 per pound. PAR. 27. Coal-tar products: (a) (1) Acetanilide not suitable for medicinal use, alphanaphthol, aminobenzoic acid, aminonaphthol, aminophene tole, aminophenol, aminosalicylic acid, aminoanthraquinone, aniline oil, aniline salt, anthraquinone, arsanilic acid, benzaldehyde not suitable for medicinal use, benzal chloride, benzanthrone, benzidine, benzidine sulfate, benzoic acid not suitable for medicinal use, benzoquinone, benzoyl chloride, benzyl chloride, benzylethylaniline, betanaphthol not suitable for medicinal use, bromobenzene, chlorobenzene, chlorophthalic acid, cinnamic acid, cumidine, dehydrothiotoluidine, diaminostilbene, dianisidine, dichlorophthalic acid, dimethylaniline, dimethylaminophenol, dimethylphenylbenzylammonium hydroxide, dimethylphenylenediamine, dinitrobenzene, dinitroclorobenzene, dinitronaphthalene, dinitrophenol, dinitrotoluene, dihydroxynaphthalene, diphenylamine, hydroxyphenylarsinic acid, metanilic acid, methylanthraquinone, naphthylamine, naphthylenediamine, nitroaniline, nitroanthraquinone, nitrobenzaldehyde, nitrobenzene, nitronaphthalene, nitrophenol, nitrophenylenediamine, nitrosodimethylaniline, nitrotoluene, nitrotoluylenediamine, [phenol,] phenylenediamine, phenylhydrazine, phenylnaphthylamine, phenylglycine, phenylglycineorthocarboxylic acid, phthalic acid, phthalic anhydride, phthalimide, quinaldine, quinoline, resorcinol not suitable for medicinal use, salicylic acid and its salts not suitable for medicinal use, sulfanilic acid, thiocarbanilide, thiosalicylic acid, tetrachlorophthalic acid, tetramethyldiaminobenzophenone, tetramethyldiaminodiphenylmethane, toluene sulfochloride, toluene sulfonamide, tribromophenol, toluidine, tolidine, tolylenediamine, xylidine, anthracene having a purity of 30 per centum or more, carbazole having a purity of 65 per centum or more, [metacresol having a purity of 90 per centum or more,] naphthalene which after the removal of all water present has a solidifying point of seventy-nine degrees centigrade or above [, orthocresol having a purity of 90 per centum or more, paracresol having a purity of 90 per centum or more]; all the foregoing products in this paragraph whether obtained, derived, or manufactured from coal tar or other source; an Act to prevent the importation of impure and unwholesome tea, approved March 2, 1897," and the Act of May 31, 1920, entitled "An Act making appropriations for the Department of Agriculture for the fiscal year ending June 30, 1921," 1 cent per pound. PAR. 16. Calcium carbide, 1 cent per pound; calcium oxalate, 4 cents per pound. PAR. 17. Calomel, corrosive sublimate, and other mercurial preparations, [45 per centum ad valorem] 22 cents per pound and 25 per centum ad valorem. PAR. 18. Carbon tetrachloride, 22 cents per pound; chloroform, 6 cents per pound; tetrachloroethane and trichloroethylene, 35 per centum ad valorem. PAR. 19. Casein or [lactarene,] lactarene and mixtures of which casein or lactarene is the component material of chief value, not specially provided for, 22 cents per pound. PAR. 20. Chalk or whiting or Paris white: Dry, ground, or bolted, [or precipitated, 25 per centum ad valorem;] four-tenths of 1 cent per pound; precipitated, 25 per centum ad valorem; ground in oil (putty), three-fourths of 1 cent per pound; put up in the form of cubes, blocks, sticks, or disks, or otherwise, including tailors', billiard, red, and manufactures of chalk not specially provided for, 25 per centum ad valorem. PAR. 21. Chemical compounds, mixtures, and salts, of which gold, platinum, rhodium, or silver constitutes the element of chief value, 25 per centum ad valorem. PAR. 22. Chemical compounds, salts, and mixtures of bismuth, 35 per centum ad valorem. PAR. 23. Chemicals, drugs, medicinal and similar substances, whether dutiable or free, when imported in capsules, pills, tablets, lozenges, troches, ampoules, jubes, or similar forms, including powders to put up in medicinal doses, shall be dutiable at not less than 25 per centum ad valorem. PAR. 24. Chemical elements, and chemical and medicinal compounds, preparations, mixtures, and salts, distilled or essential oils, expressed or extracted oils, animal oils and greases, ethers and esters, flavoring and other extracts, and natural or synthetic fruit flavors, fruit esters, oils and essences, all the foregoing and their combinations when containing alcohol, and all articles consisting of vegetable or mineral objects immersed or placed in, or saturated with, alcohol, except perfumery and spirit varnishes, and all alcoholic compounds not specially provided for, if containing 20 per centum of alcohol or less, 20 cents per pound and 25 per centum ad valorem; containing more than 20 per centum and not more than 50 per centum of alcohol, 40 cents per pound and 25 per centum ad valorem; containing more than 50 per centum of alcohol, 80 cents per pound and 25 per centum ad valorem. PAR. 25. Chicle, crude, 10 cents per pound; refined or advanced in value by drying, straining, or any other process or treatment whatever beyond that essential to the proper packing, 15 cents per pound. PAR. 26. Chloral hydrate, terpin hydrate, thymol, [urea,] and glycerophosphoric acid, and salts and compounds of glycerophosphoric acid, 35 per centum ad valorem; diethylbarbituric acid and salts and compounds thereof, $2.50 per pound. PAR. 27. Coal-tar products: (a) (1) Acetanilide not suitable for medicinal use, alphanaphthol, aminobenzoic acid, aminonaphthol, aminophene tole, aminophenol, aminosalicylic acid, aminoanthraquinone, aniline oil, aniline salt, anthraquinone, arsanilic acid, benzaldehyde not suitable for medicinal use, benzal chloride, benzanthrone, benzidine, benzidine sulfate, benzoic acid not suitable for medicinal use, benzoquinone, benzoyl chloride, benzyl chloride, benzylethylaniline, betanaphthol not suitable for medicinal use, bromobenzene, chlorobenzene, chlorophthalic acid, cinnamic acid, cumidine, dehydrothiotoluidine, diaminostilbene, dianisidine, dichlorophthalic acid, dimethylaniline, dimethylaminophenol, dimethylphenylbenzylammonium hydroxide, dimethylphenylenediamine, dinitrobenzene, dinitroclorobenzene, dinitronaphthalene, dinitrophenol, dinitrotoluene, dihydroxynaphthalene, diphenylamine, hydroxyphenylarsinic acid, metanilic acid, methylanthraquinone, naphthylamine, naphthylenediamine, nitroaniline, nitroanthraquinone, nitrobenzaldehyde, nitrobenzene, nitronaphthalene, nitrophenol, nitrophenylenediamine, nitrosodimethylaniline, nitrotoluene, nitrotoluylenediamine, [phenol,] phenylenediamine, phenylhydrazine, phenylnaphthylamine, phenylglycine, phenylglycineorthocarboxylic acid, phthalic acid, phthalic anhydride, phthalimide, quinaldine, quinoline, resorcinol not suitable for medicinal use, salicylic acid and its salts not suitable for medicinal use, sulfanilic acid, thiocarbanilide, thiosalicylic acid, tetrachlorophthalic acid, tetramethyldiaminobenzophenone, tetramethyldiaminodiphenylmethane, toluene sulfochloride, toluene sulfonamide, tribromophenol, toluidine, tolidine, tolylenediamine, xylidine, anthracene having a purity of 30 per centum or more, carbazole having a purity of 65 per centum or more, [metacresol having a purity of 90 per centum or more,] naphthalene which after the removal of all water present has a solidifying point of seventy-nine degrees centigrade or above [, orthocresol having a purity of 90 per centum or more, paracresol having a purity of 90 per centum or more]; all the foregoing products in this paragraph whether obtained, derived, or manufactured from coal tar or other source; (2) all distillates of coal tar, blast-furnace tar, oil-gas tar, and water-gas tar, which on being subjected to distillation yield in the portion distilling below one hundred and ninety degrees centigrade a quantity of tar acids equal to or more than 5 per centum of the original distillate or which on being subjected to distillation yield in the portion distilling below two hundred and fifteen degrees centigrade a quantity of tar acids equal to or more than 75 per centum of the original distillate; (3) all [similar products] products, by whatever name known, which are similar to any of the products provided for in this paragraph or in paragraph 1650, and which are obtained, derived, or manufactured in whole or in part from any of the products provided for in this [paragraph, or from any of the products provided for] paragraph or in paragraph [1549] 1650; (4) all mixtures, including solutions, consisting in whole or in part of any of the foregoing products provided for in this paragraph, except sheep dip and medicinal soaps; (5) all the foregoing products provided for in this paragraph, not colors, dyes, or stains, color acids, color bases, color lakes, leucocompounds, indoxyl, indoxyl compounds, ink powders, photographic chemicals, medicinals, synthetic aromatic or odoriferous chemicals, synthetic resin-like products, synthetic tanning materials, or explosives, and not specially provided for in paragraph 28 or [1549] 1650, 40 per centum ad valorem [based upon the American selling price (as defined in subdivision (f) of section 402, Title IV) of any similar competitive article manufactured or produced in the United States,] and 7 cents per pound. (b) Metacresol having a purity of 90 per centum or more, orthocresol having a purity of 90 per centum or more, paracresol having a purity of 90 per centum or more, phenol, carbolic acid which on being subjected to distillation yields in the portion distilling below one hundred and ninety degrees centigrade a quantity of tar acids equal to or more than 5 per centum of the original distillate, cresylic acid which on being subjected to distillation yields in the portion distilling below two hundred and fifteen degrees centigrade a quantity of tar acids equal to or more than 75 per centum of the original distillate, and any mixture of any of the foregoing products with any of the products provided for in paragraph [1549] 1650, 20 per centum ad valorem and 31⁄2 cents per pound [: Provided, That for a period of two years beginning on the day following the passage of this Act the ad valorem rate of duty shall be 55 per centum instead of 40 per centum]. (c) The ad valorem rates provided in this paragraph shall be based upon the American selling price (as defined in subdivision (g) of section 402, Title IV), of any similar competitive article manufactured or produced in the United States. If there is no similar competitive article |