FIG. 1 is a top plan view of a microtiter well holder, showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a front end elevational view thereof;

FIG. 5 is a rear end elevational view thereof;

FIG. 6 is a sectional view taken along line 6--6 of FIG. 1.

The opposite side view is a mirror image of FIG. 3.