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