Ralfs, Mr., on Pinguicula, 390
Ransom, Dr., action of poisons on the yolk of eggs, 225
Re-expansion of headless tentacles of Drosera, 229 of tentacles of
Drosera, 260 of Dionaea, 318
Roots of Drosera, 18 of Drosera, process of aggregation in, 63 of
Drosera, absorb carbonate of ammonia, 141 of Dionaea, 286 of
Drosophyllum, 332 of Pinguicula, 369
Roridula, 342
Rubidium chloride, action on Drosera, 181
S.
Sachs, Prof., effects of heat on protoplasm, 66, 70 , on the
dissolution of proteid compounds in the tissues of plants, 362
Saliva, action on Drosera, 80
Salts and acids, various, effects of, on subsequent action of ammonia,
214
Sanderson, Burdon, on coagulation of albumen from heat, 74 , on acids
replacing hydrochloric in digestion, 89 , on the digestion of fibrous
basis of bone, 108 , of gluten, 118 , of globulin, 120 , of
chlorophyll, 126 , on different effect of sodium and potassium on
animals, 187 , on electric currents in Dionaea, 318
Saxifraga umbrosa, glandular hairs of, 345
Schiff, on hydrochloric acid dissolving coagulated albumen, 86 , on
manner of digestion of albumen, 93 , on changes in meat during
digestion, 99 , on the coagulation of milk, 114 , on the digestion of
casein, 116 , of mucus, 123 , on peptogenes, 129
Schloesing, on absorption of nitrogen by Nicotiana, 352
396