BY FRANK P. FOSTER, M.D.

Jenner demonstrates efficacy of vaccination against small-pox.

Debt to the physicists, chemists, and botanists of the new era.

Appendicitis (peritonitis), its present frequency.

Experimental methods of study in physiology.

Hahnemann, founder of homoeopathy, and physical diagnosis of the sick.

The clinical thermometer and other instruments of precision.

Animal parasites the direct cause of many diseases.

Bacteria and the germ theory of disease.

Pasteur, viruses, and aseptic surgery.

Consumption and its germ; the corpuscles and their resistance to
bacterial invasion.

Antitoxines as a cure in diphtheria.

Their use in surgery; asepticism and Lord Lister.

Listerism and midwifery.

American aid in the treatment of fractures.