SEASONAL FLUCTUATIONS 15 
nonimmigrants. The seasonal distribution of arriving citizens is 
dominated by the summer tourist travel, with the bulk of arrivals 
in August, September, and October, in direct contrast with the 
alien groups, which reach their peak in April, or about five months 
earlier than the peak in the number of citizen arrivals. 
CHART 49 
PRE-WAR SEASONAL FLUCTUATIONS IN ARRIVALS- 
Average of twelve months = 100 
F716 A N° pen 2 
200— 200 
"i mi 
160 160 | 
“Ho “ol 
120 zo} 
100 + 100} 
ol 
St opmgm Sh me 
20 l- h e---= Non Immigrants - 20} ; a South oat Ra 
STTFTI A THT ITE TREY CIEE Tw A 
200 ~ 200 - i 
ler 180 
160 160 
140 140 
120 120 
100 . 100 
80 &0 
60 g 60 
40 }- ¢ ~—a=Male Immigrants . wi . yer knmigrants - 
20 |- de-—-= Unskilled NTIS toe. wl. -=>do0uth ltalion Immigrants 
€s-—-= No occupation Immigrants | 
CITTFTRT I THT TST RTE NSTFIEIATHTTIY ATHID, 
*Numerical data in Table 53, in columns lettered to correspond with the numbering 
of the curves in the above chart. 
Immigrants and Nonimmigrants. 
It is noteworthy that the seasonal movement of nonimmigrants 
bears a much closer resemblance to the immigrant seasonal than it 
does to the citizen seasonal. Whether both sexes are considered 
(Fig. A of Chart 49) or males only (Fig. B). we find that nonim- 
21 
oF 
. or ~ 
13