&,,&&,&,&&                                          ,&,&,&&,&&
&&,&&,,,&&                                          ,,,,,&&,&,
&&,&&&,,&,                                          &,,,,&&,,,
&&,&,&&,,,                                          &&,,,&&&,,
&&,,,&&&,,                                          &&&,,&,&&,
&&&,,&,&&,                                     ,    &,&&,,,&&,
&,&&,,,&&&                                        , ,,&&&,,&&,
,,&&&,,&,&                                    , -,  ,,&,&&,&&,
,,&,&&,,,& 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.)                 ,,&&&,,&,&
&&,,&,&&,,                                          ,,&,&&,,,&
,&&,,,&&&,                                          &,,,&&&,,&
,&&&,,&,&&                                          &&,,&,&&,,
,&,&&,,,&&                                          ,&&,,,&&&,
,,,&&&,,&,                                          ,&&&,,&,&&