Ceiling lamp
FIG. 1 is a top perspective view of a ceiling lamp showing my new design; 
     FIG. 2 is a front elevational view thereof, the rear being a mirror image; 
     FIG. 3 is a side elevational view thereof, the opposite side being a mirror image; 
     FIG. 4 is a top plan view thereof; 
     FIG. 5 is a bottom plan view thereof; 
     FIG. 6 is a bottom perspective view thereof. 
     The light source is shown in broken lines in FIGS. 2, 3, 5, and 6 for illustrative purposes only.