INDEX iD Quota acts (see Restriction) * Sexes, effect on cyclical fluctuation, 144-145 Snyder, Carl, 94 Races Social Science Research Council, 7-8 emigration, 168-169 Bouth Tsalians differences, 44-45 emigration, i immigration, 166-168 immigration, gross and net, 42-43 seasonal variation, 217 decline in depression years, 166-167 selected, gross and net immigration, 43c, Per gent laborers, 47 44 seasonal variation, Railway maintenance Srmgranis, #A7N9 employment, 57, 61t, 222-223 immigrants, 215-217 expenditures, 222-223 honemigrants, 217.319 Ratio charts, 58-59, 139-141 nonmmigtanis, 21527 Regularization of industry, 244 Standard deviation, effect of use, 91 Restriction of immigration, effect on Statistics 5 emigration, 130 employment, 5, iii : seasonal variation, 125-126, 211-212, immigration, varying comprehensive- 936-937 } ' ness, 32 0 Rorty, M. C., 120n industrial conditions, 56-65 Buss a : male immigration, by months, 246t; economic conditions, 207 by quarters, 245t emigration to, 164-165 Steamship companies, 9 j immigrants from, 156¢, 157, 206 Steerage passengers, departing, ratio to ratio to total, 160¢, 161t immigrants, 100, 103-105 Steerage rates, 9 Summaries, chapter, 27, 53, 76, 88, 120- Scandinavia, emigration to, 164-165 122, 136, 152, 208-209, 237-238, 243 Seasonal variation, generally, 210-238 Sweden arrivals, 212-217 economic conditions, 206 building construction, 224-227 immigration from, 156e, 157t, 205 coal mining, 222-224 229-231 ratio to total, 159¢, 161t departures, 217-219 dovetailing, 228 Temporary migration, 31 (see also Non- effect of quota acts, 125-126, 211-212, emigrants and Nonimmigrants) 236-237 Terminology, 30 factory employment, 221-222, 229-230 Thomas, Dorothy S., 171, 177, 182n highway construction, 225-227 Thorp, Willard L., Business Annals, 7, 80, male immigration, 36e¢, 212-214 171, 205 compared with employment, 229-231 migration and employment, 239-240 Unemployment net migration, 218-221 Canada, 134-135 outdoor industries, compared with mi- conference on, 6, 24, 131 gration, 229-231, 233, 236 effect of immigration, 120, 120n, 122, 209 railway maintenance, 222-224 non-agricultural occupations, compared selected industries, 221 with migration, 112-113, 116-119 compared with immigration, 229-231 numerical volume, compared with net immigration, 232- Hart's estimate, 75 236 King’s estimate, 76 variable, adjustment for, 86 trade union members, 67-68, 182-185 IR