Silmlased
......................................................................5
Merisutt (Petromyzon marinus)........................................................................................... 5
Jõesilm (Lampetra fluviatilis).............................................................................................. 6
Ojasilm (Lampetra planeri)..................................................................................................7
Erinevaid silmlasi maailmast............................................................................................... 9
KOKKUVÕTE.......................................................................................................................10
KIRJANDUS..........................................................................................................................11
3
SISSEJUHATUS
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