..........                                          ..........
..........                                          ..........
..........                                          ..........
,.........                                          .........,
«,........                                          ........,«
=«,.......                                     .    .......,«=
^=«,......                                        . ......,«=^
£^=«,.....                                    . ,.  .....,«=^£
¤£^=«,.... gull call.                    .      . , ....,«=^£¤
@¤£^=«,... «««««««««««««««««««««««««««««««««««««««« ...,«=^£¤@
@@¤£^=«,..                                          ..,«=^£¤@@
#@@¤£^=«,. the  seagull is a metaphysics  trick;  a .,«=^£¤@@#
@@¤£^=«,.. world-builder's  shortcut,  to define  a ..,«=^£¤@@
@¤£^=«,... section of reality  and imply  its size: ...,«=^£¤@
¤£^=«,.... place  a flock of birds  at the edge and ....,«=^£¤
£^=«,..... make  their  calls  tesselate  over  the .....,«=^£
^=«,...... entire volume                            ......,«=^
=«,.......                                          .......,«=
«,........ a  seagull  can  be defined by as little ........,«
,......... as  five  vertices;  six  triangles.  (i .........,
.......... would  recommend  handling in swarms  of ..........
.......... at least a dozen birds.)                 ..........
..........                                          ..........
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