FIG. 1 is a front side elevation of a pupil's desk;

FIG. 2 is a back side elevation of a pupil's desk;

FIG. 3 is a sectional view through the top of FIG. 1 looking downwardly;

FIG. 4 is a fragmentary view taken along the line 4--4 of FIG. 3;

FIG. 5 is a cross-sectional view taken along the line 5--5 of FIG. 4.