CHART 48 
SEASONAL FLUCTUATIONS IN ALIEN ARRIVALS. 
Note the similarity from year to year in the shape of the curves. 
Only the shape, not the vertical 
position, of these curves is signir- 
icant: ¢ 
MALE IMMIGRANTS 
MALE NON-IMMIGRANTS 
FEMALE IMMIGRANT S 
FEMALE NON-IMMIGRANTS 
(7909 | 75:0 [ 1.4 | 19121913 
*The numerical data for male immigrants are in Appendix Table II. The other 
curves are plotted from monthly data®published by the U. S. Bureau of Immigration 
and Naturalization in its monthly Immigration Bulletin. 
For a more complete discussion of the method of constructing the above chart, see 
footnote (b) to Chart 27, in Chapter VII. 
213