bo 3 Although the pay period studied was apparently an average period for the year, the industry did not provide a full week’s work for much more than one-half the employes, although a considerable amount of overtime work was required of other employes. Work was as irregular for men as for women, although men tended to work overtime and women undertime. The irregularity of employment was not peculiar to certain occupations but was found in every occupational group. There was more full-time work in some geographical districts than in others, but there was no district in which the majority of the employes worked a full-time week. The seriousness of this instability of employ- ment to the worker is emphasized by the decrease in earnings for the undertime worker and the relatively small increase in earnings for the overtime worker,