pical Medicine. Phil., 1907. Discusses diseases
due to bacteria and the parasites and uncertain causes. Splendid
recent summary of the various ways in which the different diseases
are disseminated.

LANGFELD, MILLARD. Introduction to Infectious and Parasitic
Diseases, Including Their Causes and Manner of Transmission. Phil.,
1907. Chapters on infection, animal parasites, avenues of exit and
portals of entry of infectious agents and parasites into the body.

MANSON, PATRICK. Lectures on Tropical Diseases. London, 1905.
Delivered at Cooper Medical College, 1905. Discusses several of
these diseases. Last chapter on problems in tropical medicine.

MANSON, PATRICK. Tropical Diseases. London, 1907, Diseases of the
tropics discussed in a very comprehensive manner. Considerable
attention given to the part played by insects in the transmission
of many of the diseases.

METCHNIKOFF, E. Immunity in Infectious Diseases. (Trans. from the
French by F.G. Binnie.) Cambridge, 1905. Splendid discussion of
various kinds of immunity. Insects referred to occasionally.

OSLER'S _Modern Medicine_. Vol. I, 1907, Pt. VI, Diseases Caused by
Protozoa. Part VII, Diseases Caused by Animal Parasites. Vol. II,
1907, Infectious Diseases. Vol. III, Infectious Diseases (cont.).
One of the best and most modern text-books; the volumes noted above
contain many references to the relation of insects to the
particular diseases under discussion.

PARK, W.H. Pathogenic Micro-organisms, Including Bacteria and
Protozoa. N.Y., 1908. These organisms comprehensively treated.

RICKETTS, H.T. Infection, Immunity and Serum Therapy. Chicago,
1906. Chapters on parasitism, infection, contagion, immunity,
various diseases, etc.

SCHEUBE, B. The Diseases of Warm Countries: a Handbook for Medical
Men. Trans. from Ger. by Pauline Falcke, London, 1903. Sections on
general infectious diseases, diseases caused by animal parasites,
etc. Good bibliography of each disease treated.

SIMPSON, W.J.R. The Principles of Hygiene as Applied to Tropical
and Subtropical Climates. London, 1908. Occasional references to
flies and mosquitoes as carriers of disease. Chapter XV deals with
malaria and other diseases caused by mosquitoes.

WILSON, J.C. Modern Clinical Medicine; Infectious Diseases. New