FIG. 1 is a perspective view of a lampshade showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a cross-sectional view taken along line 8—8 shown in FIG. 6.

FIG. 9 is a top perspective view thereof; and,

FIG. 10 is a side elevational view of the lampshade showing the environment of the invention.

The broken lines shown in FIG. 10 are included for the purpose of illustrating environmental structure and form no part of the claimed design.