Page:Graphic methods for presenting facts (1914).djvu/235

 Country Gentleman

Fig. 175. Relative Distribution in the United States of Cattle Other than Dairy Cows

For popular presentation, if great accuracy is unimportant, this method of illustration would be difficult to improve upon. It is not possible to get a correct comparison between any two States because any one circle cannot be fitted visually into the area of another circle. Compare the method used in Fig. 176

 Abstract of the Thirteenth Census of the United States, 1910

Fig. 176. All Cattle on Farms in the United States, by States, April 15, 1910

Here a definite scale is given which permits fairly accurate reading of the number of cattle for any State. The visual contrast between States is also quite striking. Though not so clear-cut as Fig. 175, this illustration has more accuracy