I claim the ornamental design for a harness for a dog, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a top plan view of a harness for a dog, showing my new design;
FIG. 2 is a right side elevation view thereof;
FIG. 3 is a left side elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a front elevation view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a top, front, left perspective view thereof.
The colors in the drawings are claimed as part of the design.