money bags should be compared on the basis of diameter, area, or volume. x\lmost the only conclusion which can be drawn from such a diagram is one regarding the relative rank of the different expenditures. The reliability of even that is likely to be questioned because of the evident lack of accuracy in this kind of chart. Nevertheless the cartoonist style should not be broadly condemned, for it has tremendous possibilities. It is possible to combine the cartoonist's wonderful power of arousing interest with methods of presenting facts which will give a numerical interpretation that cannot be

misunderstood. There is a great opportunity waiting for the man who can

combine cartoon methods with accuracy

of numerical statement.

Fig. 18 gives a statement which the

illustration does not support. In the

first place, the dates of the two years

compared are not given. In the second

place, it is impossible for the reader to

tell whether the diagram is drawn on the

basis of one dimension, two dimensions,

or three dimensions. It would be a hopeless task to fit the area of the smaller

washing machine into the area of the

larger washing machine. Methods like

this cannot be too severely condemned. Commercial geography, as it is now

widely taught in the public schools by

listing the various imports and exports of

countries and the products of different

cities, fails to give a clear idea of the

Guod Houstkccping

Fig. 18. Illustration Intended to Show that the Sale of Washing Machines has Increased Sevenfold in the Past Three Years