The ornamental design for a bow compass, as shown and described.
FIG. 1 is a perspective view of a bow compass showing my new design;
FIG. 2 is a front elevational view of the bow compass shown in FIG. 1, the
rear elevational view being the same as the front elevational view;
FIG. 3 is a right side elevational view of the bow compass shown in FIG. 1,
the left side elevational view being the same as the right side
elevational view;
FIG. 4 is a top plan view of the bow compass shown in FIG. 1; and,
FIG. 5 is a bottom plan view of the bow compass as shown in FIG. 1.