SEASONAL FLUCTUATIONS 
CHART 55 
THE PRE-WAR NET MIGRATION OF ALIEN MALES AND THE TYPICAL 
MoxTta-TO-MONTH CHANGE IN THE NUMBER EMPLOYED" 
+300 
#200 
+100; 
0 A= O—O~. 
-100- 
ALL SELECTED INDUSTRIES 
-200- 
Charge /n number employed 
- OO Arrivals less departures’ alien males 
-40 
: JAN. FEB. | MAR. | APR. | HAY JUNE JULY | AUG. | SEPT. | OCT , NOV. , DEC. 
£300 
4200] 
+00 
0 zo 
~100 
SELECTED OUTDOOR INDUSTRIES 
pa00 Change in number employed 
OO Arrivals less okoariures of olien males 
-300] 
JAN. | FEB. | MAR. | APR. HAY | JUNE JULY | AUG. | SEPT. ocC7. NOV. DEC 
sNumerical data in Tables 55 and 59. 
peared advisable to include them, as well as those officially listed as 
immigrants, in calculating the volume of net migration. 
In Chart 55, Fig. A, this net migration series is compared with 
the month-to-month change in all the selected industries. A bar 
233 
HG 4 
GB