employees,  instructing  not  to  copy,  no  defense,  446,  456.
estoppel  as  defense,  464.
every  violation  of  right  not,  386.
evidence  of,  457,  458.
940  INDEX


[eefebences  are  to  pages]
INFRINGEMENT  OF  COPYEIGHT  (continued)
expert  evidence  as  to,  458.
extra-territorial,  407.
facts,  repetition  of,  382.
fair  use:

distinguished  from,  377.
is  not,  429.
former  English  rule  as  to  dramatization,  422.
gratuitous  performance,  427.
identity  or  resemblance  as  evidence  of,  458,  459.
ignorance  of  copyright,  401.
ignorance  that  work  copied  is,  no  defense,  409.
improvement,  unauthorized,  as,  402,  442.
independent  duplication,  negatived,  when,  460.
independent  original  reproduction,  defense,  67,  384,  425.
independent  reproduction,  question  of  fact,  398.
independent  translations,  382.
indexing  when  not,  445.
in  engravings,  381.
in  general,  375,  394.
innocent :

after  registration,  351.
before  registration,  312.
in  general,  401.
insuf&cient  capital  as  evidence  of,  462.
intangible  reproduction,  389.
intent  unnecessary  to,  401.
invalid  custom,  no  defense,  431.
judicial  refusal  to  define,  386.
juvenile  editions,  405.
lawful  copies,  sale  mounted  on  cards  not,  454.
law  reports  and  digests,  436-438.
lectures,  unauthorized  delivery,  426.
license,  breach  of,  as,  454.
literal  repetition,  394.
living  pictures,  389.
mechanical  music:

in  general,  421.
under  prior  Act,  387.
mimicry,  418.
missing  pages,  reprinting,  445.
motion  pictures:

based  on  words  of  song,  as,  391.
performance  of,  as,  428.
musical  works:

independent  duplication,  425.
in  general,  420,  423,  424.
musical  piracy,  test  of,  424.
non-competitive  nature  of,  no  defense,  404,  405.
non-copyrightable  system,  usa  if  part  of  copyrightable  work,  382.
INDEX  941


[kefeeenoes  are  to  pages]
INFEINGEMENT  OF  COPYRIGHT   (continued)

non-original  portion  of  work,  permissible  reproduction,  379,  390.
non-user  no  defense,  408.
notice  of  copyright,  effect  omission  of,  847,  351,  et  seq.
number  of  copies  as  affecting  question  of,  417.
of  charts,  417.
of  directories,  438.
of  maps,  417.
of  work  by  copying  from  compilation,  409.
