\indexentry{form}{1}
\indexentry{simple!point}{1}
\indexentry{multiple!point}{2}
\indexentry{multiple!curves}{2}
\indexentry{isolated!multiple point}{2}
\indexentry{infinitely near!points}{2}
\indexentry{tacnode}{2}
\indexentry{exceptional!curve}{3}
\indexentry{surface!with normal singularities}{6}
\indexentry{normal!singularities}{6}
\indexentry{pinch point}{7}
\indexentry{improper double points}{8}
\indexentry{surface!with normal singularities}{13}
\indexentry{rational!function}{13}
\indexentry{linear!pencil}{13}
\indexentry{base points}{14}
\indexentry{fixed part}{15}
\indexentry{irrational pencil, pencil!irrational}{15}
\indexentry{index}{15}
\indexentry{rational!series}{15}
\indexentry{pencil}{15}
\indexentry{base point!ofirrational pencil}{16}
\indexentry{linear!system}{16}
\indexentry{fixed!components}{16}
\indexentry{base points}{16}
\indexentry{irreducible!linear system}{17}
\indexentry{effective genus}{17}
\indexentry{characteristic series}{17}
\indexentry{net}{18}
\indexentry{Bertini's theorems}{19}
\indexentry{involution}{20}
\indexentry{multiple plane,order!of a multiple plane}{21}
\indexentry{branch curve}{21}
\indexentry{simple!linear system}{21}
\indexentry{exceptional curve}{21}
\indexentry{complete linear system,linear system!complete}{22}
\indexentry{equivalent curves}{22}
\indexentry{complete!linear system}{23}
\indexentry{assigned base points}{23}
\indexentry{normal!surface}{24}
\indexentry{surface!with normal singularities}{26}
\indexentry{exceptional curve!of the 1st kind}{32}
\indexentry{exceptional curve!of the 2nd kind}{32}
\indexentry{Jacobian curves}{39}
\indexentry{adjoint surfaces}{63}
\indexentry{Enriques surface}{87}
\indexentry{Riemann--Roch}{96}
\indexentry{numerical genus}{96}
\indexentry{Zeuthen--Segre invariant}{161}
\indexentry{Enriques|surface}{185}
\indexentry{moduli}{196}
\indexentry{elliptic!curve}{229}
\indexentry{number of moduli}{235}
\indexentry{canonical surface}{258}
\indexentry{reulgar!surface}{258}
\indexentry{elliptic!surface}{258}
\indexentry{surface with $p=4$ and $p^{(1)}=6$}{260}
\indexentry{number of moduli}{273}
\indexentry{number of moduli}{276}
\indexentry{fundamental theorem for irregular surfaces}{316}
\indexentry{numerical!irregularity}{316}
\indexentry{irregularity}{316}
\indexentry{geometric!irregularity}{316}
\indexentry{ruled surfaces}{417}
\indexentry{classification of surfaces}{442}
\indexentry{surface!with pencil of elliptic curves}{444}
\indexentry{irregular!surfaces}{445}
\indexentry{number of moduli}{445}