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In 1876,1 presented to the International Medical Congress, which met in Philadelphia, a paper on "Variations in Type and in Prevalence of Diseases of the Skin in Different Countries of Equal Civilization." In one of the tables, . . . ten thousand cases of skin disease under the observation of well-known dermatologists in the United States . . . were placed by the side of 24,000 cases under the care of Professor Hebra. Among the latter were 740 of prurigo, while not a single instance was recorded in the American list.
Can ethnical differences possibly account for such infrequent occurrence? Our population is the most varied of any existing nation. . . .
I give ... a table of immigration . . . into the United States in the last five years, ending June 30, 1895:
Total immigration from Europe in the same period, 2,217,761.
J Cutan Genito-Urin Dis.
January 1897;15:2-7.