Refrigerants, chemical theory of, [123].

Resins, absorption and action of, [83], [279], [288].

Rheumatism, remedies used in, [194].

Rhubarb, action of, [294].

Salines, absorption and mode of action of, [74], [188], [289], [300].

Salt, common, its actions, [93], [193], [210].

Sarsaparilla in Syphilis, [190].

Scammony, absorption and action of, [85], [96], [289].

Schultz, classification of, [57].

Scrofula, treatment of, [191].