revention of Plague in
Australia. _Lancet_, Oct. 19, 1907, p. 1104. Rat fleas the
essential factor in transmitting plague, and preventive methods
should be directed against the rats.

THOMPSON, J.A. On the Epidemiology of Plague. _Jour. Hyg._, Vol.
VI, No. 5, Oct., 1906. Methods of infection, spread, relation of
rats to the disease and a review of the rat-flea theory.
Bibliography.

VERJBITSKI, D.T. The Part Played by Insects in the Epidemiology of
Plague. _Jour. Hyg._, 8, 1908, No. 2, pp. 162-208. Record of
extensive experiments with fleas. Fleas communicated plague for
three days, bedbugs for five days. Interrelation of fleas, rats,
dogs, cats, and man. An important article translated from Russian.

WHERRY, W.B. Further Notes on the Rat Leprosy and on the Fate of
the Human and Rat Leper Bacillus in Flies. _Jour. Infec. Diseases_,
Vol. 5, No. 5, 1908. Discussion and references, experiments with
flies, summary, etc. More than 1,115 lepra-like bacilli were
counted in a single fly-speck.

WHERRY, W.B. Plague Among the Ground-squirrels of California.
_Jour. Infec. Diseases_, Vol. 5, No. 5, 1908, pp. 485-533. How the
plague was first discovered among rats, records of cases and a
discussion of the possible relation of this to human plague cases.

Eradicating Plague in San Francisco; Report of the Citizens' Health
Committee, 1909. An account of the recent outbreaks and the methods
of fighting them.

Report of the Indian Plague Commission, Vol. V, pp. 75-77, 1901. In
these pages the Commission considers the question of the
transference of plague by suctorial insects. It considers Simonds'
claims and others and believes that "suctorial insects do not come
under consideration with the spread of plague."

Reports on Plague Investigations in India Issued by the Advisory
Committee Appointed by the Sec. of State for India, the Royal
Society and the Lister Institute. The reports include the reports
of the Working Commission appointed by the Advisory Committee and
reports on various contributory investigations. They are published
in the _Jour. of Hygiene_ as "Extra Plague Numbers." All these
reports deal very largely with the relation of the rat and flea to
plague, and are commonly referred to as "Reports of Indian Plague
Commission." The f