cd /graphics/png/images/png

-rw-rw-r--   1 34    archive       122 Apr 10 15:14 4x4.png
-rw-rw-r--   1 34    archive       126 Apr 10 15:14 4x4_a7.png
-rw-rw-r--   1 34    archive       662 Mar  8 21:13 INDEX
-rw-rw-r--   1 34    archive     55734 Apr 12 13:26 adam7png.png
-rw-rw-r--   1 34    archive       124 Mar 12 20:08 adler.png
-rw-rw-r--   1 34    archive       127 Mar 31 09:51 adler_a0_c3.png
-rw-rw-r--   1 34    archive       166 Mar 22 20:21 adler_a0_sub.png
-rw-rw-r--   1 34    archive       145 Mar 22 18:17 adler_a7.png
-rw-rw-r--   1 34    archive       341 Mar 13 00:41 arl_logo.png
-rw-rw-r--   1 34    archive       338 Mar 31 09:51 arl_logo_a0_c3.png
-rw-rw-r--   1 34    archive       524 Mar 22 20:21 arl_logo_a0_sub.png
-rw-rw-r--   1 34    archive       574 Mar 22 18:17 arl_logo_a7.png
-rw-rw-r--   1 34    archive     17282 Mar 13 00:41 bede.png
-rw-rw-r--   1 34    archive     17282 Mar 31 09:51 bede_a0_c3.png
-rw-rw-r--   1 34    archive     28838 Mar 22 20:22 bede_a0_sub.png
-rw-rw-r--   1 34    archive     24147 Mar 22 18:17 bede_a7.png
-rw-rw-r--   1 34    archive      4431 Mar 31 09:51 big_arl_logo_a0_c3.png
-rw-rw-r--   1 34    archive      6439 Mar 22 20:22 big_arl_logo_a0_sub.png
-rw-rw-r--   1 34    archive      5417 Mar 22 18:17 big_arl_logo_a7.png
-rw-rw-r--   1 34    archive    292439 Mar 22 20:22 dolphins_a0_sub.png
-rw-rw-r--   1 34    archive    260463 Mar 22 18:17 dolphins_a7.png
-rw-rw-r--   1 34    archive    128763 Mar 22 18:17 einstein_a7.png
-rw-rw-r--   1 34    archive     11624 Apr  8 11:13 guy.png
-rw-rw-r--   1 34    archive     40272 Mar 31 09:52 lcrocker_a0_c3.png
-rw-rw-r--   1 34    archive     45137 Mar 22 18:17 lcrocker_a7.png
-rw-rw-r--   1 34    archive    291282 Mar 22 20:22 mosaic_xv_pngs_a0_sub.png
-rw-rw-r--   1 34    archive    202304 Mar 22 18:17 mosaic_xv_pngs_a7.png
-rw-rw-r--   1 34    archive     17316 Mar 13 00:41 opossum.png
-rw-rw-r--   1 34    archive     17316 Mar 31 09:52 opossum_a0_c3.png
-rw-rw-r--   1 34    archive     18605 Mar 22 18:17 opossum_a7.png
-rw-rw-r--   1 34    archive     47684 May  1 21:03 pnglbout.zip
-rw-rw-r--   1 34    archive     86336 Apr 11 19:14 pnglogo1.zip
-rw-rw-r--   1 34    archive     48284 Apr 11 19:16 pnglogo2.zip
-rw-rw-r--   1 34    archive    169153 Apr 11 19:41 pnglogo3.zip
-rw-rw-r--   1 34    archive    453192 Apr 19 21:42 pnglogo4.zip
-rw-rw-r--   1 34    archive    271107 Apr 19 23:12 pnglogo5.zip
-rw-rw-r--   1 34    archive     29511 Mar 13 00:41 rpfamily.png
-rw-rw-r--   1 34    archive     29511 Mar 31 09:52 rpfamily_a0_c3.png
-rw-rw-r--   1 34    archive     40001 Mar 22 20:22 rpfamily_a0_sub.png
-rw-rw-r--   1 34    archive     30567 Mar 22 18:17 rpfamily_a7.png
-rw-rw-r--   1 34    archive    281012 Mar 20 11:45 stanford_pngs.tar.gz
-rw-rw-r--   1 34    archive    214787 Mar 31 19:25 wall.png
-rw-rw-r--   1 34    archive      4043 Mar 13 00:46 www_logo.png
-rw-rw-r--   1 34    archive      4043 Mar 31 09:52 www_logo_a0_c3.png
-rw-rw-r--   1 34    archive      6166 Mar 22 20:22 www_logo_a0_sub.png
-rw-rw-r--   1 34    archive      5828 Mar 22 18:17 www_logo_a7.png

Glenn Randers-Pehrson:
                All images using deflate, filter by rows, non-interlaced
arl_logo.png:	PNG image, 2 bit, 101 x 101, colormap RGB,
                U.S. Army Research Laboratory logo
                converted from PostScript
opossum.png:	PNG image, 8 bit, 300 x 250, colormap RGB,
                public domain photo of an opossum named "png"
rpfamily.png:	PNG image, 8 bit, 316 x 314, colormap RGB,
                scanned photo
www_logo.png:	PNG image, 4 bit, 211 x 166, colormap RGB,
                logo taken from WWW-3 conference announcement
bede.png:	PNG image, 1 bit, 571 x 633, grayscale,
                converted from GIF

illi.cs.sunysb.edu