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[91] Singleton, Esther. _Dutch New York._ 1909. (p. 133.)

[92] Bishop, J. Leander. _A History of American Manufactures, 1608 to
1860._ New York.

[93] Oberholtzer, Ellis Paxson. _Philadelphia: a history of the city and
its people._ Philadelphia, 1912. (vol. 1: p. 106.)

[94] Freeman, W.G. _The World's Commercial Products._ Boston, (p. 176.)

[95] _Tea and Coffee Trade Jour._, 1918. (vol. xxxv: no. 4.)

[96] Dr. Cramer considers _C. Maragogipe_ "the finest coffee known; it
has a highly developed, splendid flavor."

[97] _Journal of the Association of Official Agricultural Chemists_,
Nov. 15, 1921. (vol. v: no. 2: pp. 274-288.)

[98] _The Tea and Coffee Trade Jour._, 1912. (vol. xxiii: no. 3.)

[99] _Die Menschlichen Genussmittel_, 1911. (p. 300.)

[100] See chapter XVI.

[101] These and all other numbered drawings in this chapter are from
Andrew L. Winton's _The Microscopy of Vegetable Foods_, copyright 1916,
and reprinted by permission.

[102] _Jour. Am. Chem. Soc._, 1919 (vol. xli: p. 1306).

[103] Anstead, R.D. _Annals on Applied Biology_, 1915 (vol. i: pp.
299-302).

[104] Huntington, L.M. _Tea and Coffee Trade Jour._, 1917 (vol. xxxiii:
p. 228).

[105] Gorter, _Ann._ (vol. ccclxxii: pp. 237-46).

Schulte, A. _Z. Nahr. Genussm._ (vol. xxvii: pp. 200-25).

Loew, Oscar. _Ann. Rep. P.R. Agr. Expt. Sta._, 1907 (pp. 41-55).

[106] Sencial. _El Hacendado Mex._ (vol. ix: p. 191).

[107] Pique, R. _Bull. Assoc. Chim. sucr. dist._ (vol. xxiv: pp.
1210-13).

[108] _Pharm. Jour._, 1886 (vol. xvii: p. 656).

[109] U.S. Pat., 113,832, April 18, 1871.

[110] U.S. Pat., 660,602, Oct. 30, 1900.

[111] French Pat., 379,036, Aug. 28, 1906.

[112] French Pat., 359,451, Nov. 15, 1905.

[113] British Pat., 26,905, Dec. 9, 1904.

[114] U.S. Pat., 843,530, Feb. 5, 1907.

[115] U.S. Pat., 1,313,209, Aug. 12, 1919.

[116] U.S. Pat., 134,792, Jan. 14, 1873.

[117] British Pat., 7,427, Mar. 24, 1910.

[118] U.S. Pat., 997,431, July 11, 1911.

[119] British Pat., 23,087, Oct. 9, 1912.

French Pat., 449,343, Oct. 12, 1912.

[120] British Pat., 21,397, Sept. 26, 1907.

French Pat., 382,238, Sept. 26, 1907.

U.S. Pat., 982,902, Jan. 31, 1911.

[121] _Pharm. Zentralhalle_, 1915 (vol. lvi: pp. 343-48).

[122] _Muench. Med. Wochschr._, (vol. lviii: pp. 1868-72).

[123] _Commercial Organic Analysis._

[124] _Ann. Chem. Pharm._ 1867 (vol. cxlii: p. 230).