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Published online by Cambridge University Press: 15 May 2009
In the Goulstonian Lectures, delivered in 1919, one of us (W. W. C. T.) discussed the possibility of attacking epidemiological problems by the method of direct experiment, and reported a few preliminary observations on the spread of enteric infection among mice. Since then a series of reports have been published dealing with the investigation of particular problems along these lines (Topley, 1921 a and b, 1922 a and b, 1923, Topley and Wilson, 1923 a and b, Topley and Ayrton, 1924 a, b and c, Topley, Ayrton and Lewis, 1924 a and b, Topley, Wilson and Lewis, 1925).