Boussingault, Jean Baptiste, 185 Boyle, Robert, 178, 179 Brand, H., 178, 179 Buchner, Hans, 197, 200 Calvin, Melvin, 200 Casciarolo, Vicenzo, 179 Chevreul, Michel, 189 Cori, Carl F., 200 Cori, Gerti T., 200 Crookes, William, 192 Davy, Sir Humphry, 185 De Hevesy, George, 198, 200 De la Vega, Garcilaso, 185 De Saussure, Theodore, 185 Euler-Chelpin, Hans von, 197, 200 Fernelius, Jean, 179 Feulgen, Robert, 193 Fischer, Emil, 193 Gahn, Johann Gottlieb, 182 Gay-Lussac, Joseph Louis, 182 Gobley, Nicolas Theodore, 191 Graham, Thomas, 182, 183, 185 Hankwitz, Gottfried, 180 Harden, Arthur, 197, 200 Hartmann, Immanuel Peter, 181 Hellot, Jean, 180 Henry II, King of France, 179 Hittorf, Wilhelm, 181 Hoefer, Ferdinand, 179 Holmberg, Wilhelm, 178 Hoppe-Seyler, Felix, 193 Humboldt, Alexander von, 185 Huygens, Christiaan, 179 Incas, 185 Kletwich, Johann Christopher, 179 Koppe, Emile, 181 Kornberg, Arthur, 200 Kossel, Albrecht, 200 Kraft, Johann Daniel, 179 Kramer, Dr. ----, 181 Kunckel, Johann, 179 Lange, W., 199 Lavoisier, Antoine Laurent, 181, 185 Laws, John Bennet, 186 Leibnitz, Gottfried Wilhelm von, 179 Lennox, Charles, third Duke of Richmond, 185 Leonhardi, Johann Gottfried, 179 Levine, Phoebus Aaron Theodor, 193 Liebig, Justus, 183, 185, 186 Liebreich, Oscar, 191 Lipmann, Fritz, 200 London, E. S., 193 Macquer, Peter Joseph, 180 Marggraf, Andreas Sigismund, 180 Meyerhof, Otto, 194, 200 Miescher, Johann Friedrich, 192 Muspratt, James, 186 Nietzsche, Friedrich, 186, 187, 189 Ochoa, Severo, 200 Pelouze, Theophile Juste, 189 Rouelle, Guillaume Francois, 181 Scheele, Karl W., 182 Schmiedeberg, Oswald, 193 Schrader, Gerhard, 199 Schroetter, Anton, 181 Stoklasa, Julius, 186 Strecker, Adolf Friedrich, 191 Thudichum, Ludwig, 192 Todd, Lord Alexander, 200 Willm, Edmond, 182 Willstaetter, Richard, 191 Wurtz, Adolphe, 185, 191 Transcriber's Notes The following typographical errors have been corrected: Page 180 "_Abfaellen_, Vieweg, Braunschweig," - had "Viewig". Page 188 "wires _d_ from the dynamo D" - had "dynano". Page 191 "phosphate are attached, for example," - had "attached, For". Page 192 "But phosphatides occur" - had "phosphatide soccur". Page 193 "the nucleic acid from the thymus" - had "nucleidic". Page 199 "acetylcholine esterase." - had "acetylcholin". Page 200 "George de Hevesy, Carl F. Cori," - comma added after Hevesy. Footnote [39] "See, e.g., _Chemical Week_, vol. 77" - had "See. e.g." Index Entry: "Gahn, Johann Gottlieb, 182" - had "Gaehn" The spelling of "Bertholet" [Claude Louis Berthollet] is as given on the original title page of the work referenced in this paper. Inconsistent hyphenation of chemical names has been retained.