The differences in the constitution of the wage-earning population of the two sexes, as shown by the Census of 1931, made it necessary for maximum usefulness that the information should be obtaine(l and compiled separately in respect of the wage-earners of each sex. [...] PART I—EXPLANATIONS AND DEFINITIONS The present report embodies the results of a urvey made for the years 1 9 3119,3 5 and 1936 of weekly earnings in the manufacturing industries of ( aitada. [...] This is due to the fact that for each establishment the survey was based on only one weel in the month of hujhest employment in that estoblish-,nent and in most Cases the number employed in the highest week eX(eedS the number employed during the whole month of highest employment. [...] The weekly payroll of the two periods was as indicated in Table 4. The average, however, dropped from $12.98 to $12.21, in spite of the increase of $1 per week. [...] The table following, which gives the percentage distribution, by wage groups, of the workers employed in the man'.i- facturing industries of Canada, shows that the increase of 61 cents per week between 1934 and 1936 in the earnings of male workers is an actual one.