The ornamental design for a bowl, as shown and described.
FIG. 1 is a front, perspective view of a bowl showing a first embodiment of our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof, and the left side view is a mirror image of the right side view;
FIG. 5 is a top view thereof; and
FIG. 6 is a bottom view thereof.
FIG. 7 is a front, perspective view of a bowl showing a second embodiment of our new design;
FIG. 8 is a front view thereof;
FIG. 9 is a rear view thereof;
FIG. 10 is a right side view thereof, and the left side view is a mirror image of the right side view;
FIG. 11 is a top view thereof; and,
FIG. 12 is a bottom view thereof.
The features shown in broken lines are portions of the bowl or environmental subject matter to the bowl forming no part of the claimed design. Any portions of the bowl hidden by broken line showings are not claimed.