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[157] Jour. Landw., 1904 (vol. lii: p. 93).

[158] Amer. Chem. Jour., 1892 (vol. xiv: p. 473).

[159] Analyst, 1902 (vol. xxvi: p. 116).

[160] 58 Mon. Sci. (vol. iii: no. 6: p. 779).

[161] J.P.C., 1867 (p. 307).

[162] Trans. Kansas Acad. Sci., 1918 (vol. xxviii: pp. 136–141).

[163] Feitler, S.: Eng. Pat., 19,845, Aug. 28, 1897.

[164] U.S. Pat., 33,453, Oct. 8, 1861.

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[165] U.S. Pat., 943,238, Dec. 14, 1909.

[166] U.S. Pat., 703,508, July 1, 1902.

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[167] Winter, H.: U.S. Pat., 997,431, Aug. 28, 1897.

[168] Simon, M., Jr.: Ger. Pat., 253,419, Feb. 19, 1911.

[169] Von Niessen: British Pat., 7,427, Mar. 24, 1910.

[170] Eng. Pat., 5,776, Mar. 19, 1895.

[171] U.S. Pat., 832,322.

[172] Eng. Pat., 8,270, April 24, 1893.

[173] U.S. Pat., 994,785, June 13, 1911.

[174] Am. J. Pharm., 1915 (vol. lxxxvii: pp. 524–26).

[175] Orig. Com. 8th Intern. Cong. Appl. Chem. (Appen.) (vol. xxvi: p. 389)

[176] Tea & Coffee Trade Jour., 1920 (vol. xxxix: pp. 318–19).

[177] King, J.E.: U.S. Pat. 1,263,434.

[178] Tea & Coffee Trade Jour., 1917 (vol. xxxiii: pp. 552–55).

[179] Loc. cit. (see 175).

[180] Tea & Coffee Trade Jour., 1911 (vol. xx: p. 34).

[181] Pharm. Weekbl. voor Nederl., 1899 (no. 13).

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[182] Jour. Assoc. Off. Agri. Chem., 1920 (vol. iii: p. 501).

[183] Blyth, Wynter. Foods, 1909 (p. 359).

[184] Petermann. Bied. Zentr., 1899 (vol. ii: p. 211).

[185] Association of Official Agricultural Chemists. Sept., 1920.

[186] Association of Official Agricultural Chemists, Sept., 1920.

[187] U.S. Dept. Agri., Div. of Chem. Bull. 13 (pt. 7: p. 908).

[188] Niles. G.M. Tea & Coffee Trade Jour., 1910 (vol. xix: no. 1: p. 27).

[189] Through The Sun, New York, July 17, 1910.

[190] Annales Politiques et Littéraires, through Tea & Coffee Trade Jour., 1906 (vol. x: p. 303).

[191] Jour. Am. Med. Assoc., 1891 (vol. xvi).

[192] The Times, London, Oct. 1, 1904; through Tea & Coffee Trade Jour., 1911 (vol. xxi: p. 36).

[193] Good Housekeeping, through Tea & Coffee Trade Jour., 1912 (vol. xxiii: p. 237).

[194] Tea & Coffee Trade Jour., 1913 (vol. xxiv: p. 455).

[195] Tea & Coffee Trade Jour., 1912 (vol. xxiii: p. 356).

[196] Good Housekeeping, through Tea & Coffee Trade Jour., 1915 (vol. xxviii: p. 533).

[197] Good Housekeeping, through Tea & Coffee Trade Jour., 1915 (vol. xxviii: p. 533).

[198] Atti. accad. Lincei, 1915 (vol. xxiv: no. 2: pp. 543–48).

[199] Nalpasse, Dr. Valentin, loc. cit. (see 190).

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[200] Compt. rend. (vol. cxlviii: p. 1541).

[201] Tea & Coffee Trade Jour., 1914 (vol. xxvi: p. 539).

[202] Arch. exp. Path. Pharm., 1907 (vol. lvii: p. 214).

[203] Universal Dictionary, 1897 (vol. i: p. 1097).

[204] Handbuch der Physiologie, 1881 (vol. vi: p. 435).

[205] The Coffee Club, 1921 (vol. i: p. 4).

[206] Saturday Evening Post, through Tea & Coffee Trade Jour., 1914 (vol. xxvii: p. 586).

[207] Loc. cit. (see 192).

[208] Seven Truths to Teach the Young in Regard to Life and Sex, No. 2.

[209] Loc. cit. (see 190).

[210] Ladies' Home Journal, Dec., 1916 (p. 37).

[211] Loc. cit. (see 194).

[212] Psych. Clin. (vol. vi: pp. 56–58).

[213] Tea & Coffee Trade Jour., June, 1905 (p. 274).

[214] Ladies' Home Journal, Dec., 1916 (p. 37).

[215] The Prolongation of Life.

[216] Hekteon and LeConte.

[217] Through Tea & Coffee Trade Jour., 1914 (vol. xxvi: pp. 29–32).

[218] Old Age Deferred, 1910.

[219] Loc. cit. (see 190).

[220] Practical Dietetics, 1917 (p. 254).

[221] Zentr. Biochem Biophys., 1912 (vol. xiii: p. 504).

[222] Jour. Anat. & Physi., through Tea & Coffee Trade Jour., 1913 (vol. xxv: p. 345).

[223] Lancet, Dec. 2, 1911.

[224] Pharmacology, 1913 (p. 258).

[225] Butler, Materia Medica, Therapeutics and Pharmacology, 1906 (p. 256).

[226] Togami, K. Biochem. Zeit., 1908 (vol. ix: p. 453).

[227] Münch. Med. Wochenschr. (vol. lx: pp. 281–85, 357–61).

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[228] Loc. cit. (see 197).

[229] Through Tea & Coffee Trade Jour., 1916 (vol. xxx: p. 443).

[230] Tea & Coffee Trade Jour., 1909 (vol. xvi: p. 271).

[231] Frankel, F.H. Tea & Coffee Trade Jour., 1910 (vol. xxxi: p. 446).

[232] Food Values, 1914 (p. 54).

[233] Policlin., 1920 (no. 27: p. 1011).

[234] Funk, C. The Vitamines, 1922 (p. 270).

[235] Potter. Materia Medica, Pharmacy and Therapeutics, 10th ed., 1906 (p. 187).

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[236] Nineteenth ed. (p. 254).

[237] Loc. cit. (see 220).

[238] Keable, B.B. Coffee (p. 97).

[239] Wallace, Mrs. C.L.H. "Cholera: Its Cause and Cure." The Herald of Health, through Tea & Coffee Trade Jour., 1908 (vol. xiv: p. 22).

[240] "S. Culapius", Tea & Coffee Trade Jour., 1913 (vol. xxv: p. 239).

[241] Tea & Coffee Trade Jour., 1913 (vol. xxv: p. 458).

[242] Thurber, F.B. Coffee from Plantation to Cup (p. 182).

[243] Health and Longevity Through Rational Diet.

[244] Keable, B.B. Coffee (p. 98).

[245] Bulson, A.E.J. Am. Jour. Opthal., 1905 (vol. xxii: pp 55–64)

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[246] Keable, B.B. Coffee (p. 98).

[247] A Manual of Pharmacology (pp. 137, 215).

[248] Hawk, Philip B. Loc. cit. (see 196).

[249] Good Housekeeping, Oct., 1917 (p. 144).

[250] Med. News, 1886 (p. 52).

[251] Med. News, 1890 (p. 56).

[252] Centr. In. Med., 1900 (p. 21).

[253] Loc. cit. (see 220).

[254] Arch. Exper. Path. Pharm., 1902 (bd. 48).

[255] Bull. gen. therap. (vol. clxvi: p. 379).

Zentr. Biochem. Biophys. (vol. xvi: p. 79).

[256] Bull. Pharm., 1916 (vol. xxx: pp. 276–78).

[257] 1907 (p. 176).

[258] U.S. Dispensatory, 19th ed. (p. 253).

[259] Hall. I.W. The Purin Bodies of Food Stuffs, 1904 (p. 98).

[260] Terapia moderna, Dec., 1891.

[261] Arch. intern. physiol. (vol. xiii: pp. 107–14).

[262] J. Pharmachol. (vol. iii: p. 609).

[263] J. Pharmachol. (vol. iii: p. 468).

[264] J. Pharmachol. (vol. iii: p. 455).

[265] Wien. Deut. med. Wochenschr. (vol. xxxviii: pp. 1774–76).

[266] Comp. rend. soc. biol. (vol. lxxiv: p. 32).

[267] D.A. Apoth.-Ztg., 1911–12 (vol. xxxii: p. 4).

[268] Med. Record, N.Y., 1916 (vol. xxx: p. 68).

[269] Therap. Gazette. 1912 (vol. xxxvi: pp. 6–13).

[270] Deut. Arch. Klin. Med., 1920 (vol. cxxxiv: pp. 174–84).

[271] Z. physiol. Chem. (vol. lxxvii: p. 259).

[272] Bull. Bur. of Chem. (no. 157).

[273] Pharm. J., Mar. 31, 1900, through Brit. Med. J., Epit., 1900 (vol. i: p. 35).

[274] Arch. f. exper. Path. u. Pharmakol., 1895 (vol. xxxv: p. 449).

[275] Ibid., 1895 (vol. xxxvi: p. 45). Ibid., 1896 (vol. xxxvii: p. 385).

[276] Arch. de physiol. norm. et path., 1868 (vol. i: p. 179).

[277] Inaug. Diss., Königsberg, 1882.

[278] Arch. f. exper. Path. u. Pharmakol., 1898 (vol. xli: p. 375).

[279] Jour. Am. Med. Assoc., 1917 (vol. lxviii: pp. 1805–07).

[280] Berliner Klin. Wochenschrift, 1889 (no. 40).

[281] Encyc. der Therapie, 1896 (vol. i).

[282] Pester, Med.-Chir. Presse, 1885 (no. 39). Orvosi Hetilap, 1885 (nos. 32–33).

[283] Zeitschrift f. Klin. Med., 1893 (vol. xxiii).

[284] Mitt. aus der Würzburger Med. Klinik, 1885 (vol. 1).

[285] New York Herald, Mar. 24. 1912.

[286] Tea & Coffee Trade Jour., 1914 (vol. xxvi: pp. 537–41).

[287] The Influence of Alcohol and Other Drugs on Fatigue.

[288] "The Influence of Caffeine on Mental and Motor Efficiency." Archives of Psychology, 1912 (no. 22).

[289] Revista sper. di. Freniatria (vol. xviii: p. 1).

[290] Archiv. ital. de Biol., 1893 (vol. xix: p. 241).

[291] Inaug. Diss., Marburg, 1894.

[292] Revista sper. di Freniatria, 1894 (vol. xx: p. 458).

[293] Centralbl. f. Physiol., 1896 (vol. x: p. 126).

[294] Psychol. Arbeit., 1896 (vol. i: p. 378).

[295] Jour. Med. de Bruxelles, 1897.

[296] Molcschott's Untersuchungen, 1899 (vol. xvi: p. 170).

[297] Archiv. f. Anat. u. Physiol. (Physiol. Abth.), Suppl. Bd., 1899 (p. 289).

[298] Skand. Arch. f. Physiol., 1904 (vol. xvi: p. 197).

[299] Travaux du Lab. de Physiol. Inst. Solray, 1904 (vol. vi: p. 361).

[300] Psychol. Arbeit., 1901 (vol. iii: p. 617).

[301] C.R. de la Soc. de Biol. Paris, 1901 (pp. 593–627).

[302] Op. Cit. (p. 38). (See 285.)

[303] Pflügers Archiv., 1877 (vol. xvi: p. 316).

[304] Diss., Dorpat., 1887.

[305] Psychol. Arbeit., 1896 (vol. i: p. 431).

[306] Psychol. Arbeit., 1901 (pp. 203–289).

[307] Psychol. Rev., 1911 (vol. xviii: p. 424).

[308] Op. Cit. (see 285).

[309] Ueber die Beeinflüssung einfacher psychischer Vorgünge durch einige Arzeneimittel (p. 224).

[310] Arch, exp. Path. Pharm., 1920 (vol. lxxxv: pp. 339–58).

[311] Op. cit. (p. 50). (See 287.)

[312] Loc. cit. (see 285).

[313] See chapter XXX.

[314] La Roque, Jean, Voyage de l'Arabic Heureuse, Paris, 1715. (p. 280.)

[315] Encyclopedia Britannica, 11 ed., Cambridge, 1910. (vol. i: p. 118.)