The ornamental design for a shelf-mounted rack, as shown and described.
FIG. 1 is a top perspective view of a shelf-mounted rack showing my new
design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a right side elevational view thereof, the left side being a
mirror image; and
FIG. 4 is a vertical cross-sectional view thereof, taken along line 4--4 of
FIG. 2. The partial broken-line showing of a shelf in FIGS. 3 and 4 is for
illustrative purposes only and forms no part of the claimed design.