422 
INDEX 
Phenylanilidoessigsäurenitril, 29 5. 
Phenylchloracetonitril, description of, 293. 
Phenyltrimethylphenylacetonitril, 289. 
Philosophy of life, 103. 
Phloretin, Constitution of (paper), 313. 
Phlorizin, description of, 343. 
Phlox Carolina, compounds in, 282. 
Phloxol, a crystalline camphor, 207. 
Picramnine, a new alkaloid, 207. 
Pinner, Professor, 48. 
Plant Analysis as an Applied Science (pa¬ 
per), 175. 
Plant cells, 260. 
Plant chemistry, lecture on, 25; in relation 
to sorghum sugar, 210. 
Plant forms, chemical basis of, 112, 232. 
Plants, chemical classification of, 23, 169; 
growth of, 59; Miss Abbott’s arrange¬ 
ment of, 113; chemical constituents of, 
168, 233, 264; Comparative Chemistry 
of (paper), 257. 
Plasmodia, explained, 245. 
Plato, influence of, 409. 
Polyclinic, Philadelphia, 115. 
Polyporus, acid of, 247. 
Polysaccharides, explanation of, 323. 
Polytechnicum of Zurich, 72. 
Porro-Miiller operation, 13. 
Pringsheim, Professor, visit to, 51. 
Progression, law of, 276. 
Protoplasm, living and dead, 232. 
Pyrophseal, 252. 
Quinine, manufacture of, 190. 
Radiometer, discovery of, 85. 
Rattlesnakes, 22. 
Ree, Frau, 40 et seq. 
Rein, Professor, visit to, 82. 
Religious trend of thought, 93. 
Renoir, pictures of, 356, 362. 
Resins named in al , 137, note 
Retzius, Professor, 32. 
Rochegrosse, picture by, 391. 
Rohmann, shows use of blood serum, 
33 1 * 
Roscoe, Sir Henry, 26. 
Rotation of crops, explained, 239. 
Royal Society, meeting of, 85. 
Rundström, Inez C., 30. 
Rye, nutritive value of, 195. 
Salm-Horstmar, experiments of, 240. 
Salt Lake City, visit to, 12. 
Sand, George, 18. 
Sap, flow of, 238. 
Saponin, study of, 61; discoveries in, 112; 
a constructive element, 168; in Saraca, 
173; distribution of, 174; complexity of, 
253; presence of, 252, 253. 
Saraca Indica, coloring principle for, 171, 
205, 255. _ 
Scheibler, discovery of arabinose, 337. 
Schiff, Hugo, investigations of, 313. 
Schleiden, Dr. J. M., cited, 175. 
Schunck, Dr. Edward, 27. 
Schwendener, Professor, 52; visit to, 54. 
Scientific Notes, 19. 
“Separation” (poem), 100. 
September Day (poem), 94. 
Sewing-machines, 43. 
Shelley, Browning’s admiration of, 395. 
Silica as possible living matter, 278. 
Silicic acid, importance of, 242. 
Smith, Dr. W. J., 79; Mrs. Smith, 71, 80. 
Smitt, Professor, 33. 
Snakes, feeding of, 19. 
Sorghum, sugar from, 198; changeable dis¬ 
position of, 222. 
Spectroscope, 11, 21. 
Spencer, Herbert, 10. 
Starch in plants, 274. 
Stearns, Frederick, & Co., manufactures of, 
189. 
Steenstrup, Professor J., 37. 
Stereo-chemistry, 324. 
Stockholm, impressions of, 35. 
Strohmann, Professor, 66; visit to, 61. 
Sugar-canes, wax in, 24. 
Sugars, manufacture of, 196; artificial 
production of, 320; table of, 334; value 
of the higher, 337. 
“Sunshine on the Delaware” (poem), 96. 
Sweden, manners in, 29, schools of, 3 r; 
Royal Academy of, 33; titles in, 34. 
Swedenborg, E., suggests geometrical form 
of matter, 324. 
Switzerland, parties in, 76. 
Tannin, appearance of, 270. 
Tartaric acid, depicted, 326. 
Tea, distribution of, 191; importation of, 
191. 
Thomson, Dr. William, 9, 18. 
Thun, visit to, 74. 
Tolylphenylacetonitril, synthesis of, 287. 
Topelius, Miss, 30. 
Trimble, Professor Henry, 14; discovery 
by, 280. 
Triangulation, idea of, 350, 352. 
Truth, conception of, 88; among the Greeks 
and in Browning (paper), 393; as re¬ 
lated to the drama (paper), 364. 
Tufts College Medical School, 101. 
