<Li> Peisinoe (Πεισινόη) or Peisithoe (Πεισιθόη), daughter of Achelous and Melpomene . </Li> <Li> Thelxiope (Θελξιόπη) or Thelxiepeia (Θελξιέπεια "eye pleasing"), daughter of Achelous and Melpomene . </Li> <Table> <Tr> <Th_colspan="13"> COMPARATIVE TABLE OF NAMES AND PARENTAGE OF SIRENS ACCORDING TO VARIOUS SOURCES </Th> </Tr> <Tr> <Th> Name / Parentage </Th> <Th> Hesiod </Th> <Th> Homer </Th> <Th> Sophocles </Th> <Th> (Scholiast on) Apollonius </Th> <Th> Lycophron </Th> <Th> Strabo </Th> <Th> Apollodorus </Th> <Th> Hyginus </Th> <Th> Servius </Th> <Th> Eustathius </Th> <Th> Suidas </Th> <Th> Vase Painting </Th> </Tr> <Tr> <Td> Parents </Td> <Td> not stated </Td> <Td> not stated </Td> <Td> Chthon </Td> <Td> Achelous and Terpsichore </Td> <Td> Achelous and Melpomene </Td> <Td> not stated </Td> <Td> Achelous and Melpomene or Sterope </Td> <Td> Achelous and Melpomene </Td> <Td> Achelous and Calliope </Td> <Td> not stated </Td> <Td> not stated </Td> <Td> not stated </Td> </Tr> <Tr> <Td> Number </Td> <Td> </Td> <Td> </Td> <Td> not stated </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> not stated </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Thelxinoe or Thelxiope </Td> <Td> not stated </Td> <Td> Thelxinoe or Thelxiope </Td> <Td> </Td> <Td> </Td> <Td> Thelxiepia </Td> <Td> Thelxiepe </Td> <Td> Thelxiepeia </Td> <Td> Thelxiepeia </Td> <Td> Thelxiepeia </Td> </Tr> <Tr> <Td> Names </Td> <Td> Aglaophonus </Td> <Td> Aglaophonus </Td> <Td> </Td> <Td> </Td> <Td> Aglaope </Td> <Td> </Td> <Td> Aglaopheme </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Molpe </Td> <Td> Molpe </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> Molpe </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> Parthenope </Td> <Td> Parthenope </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> Leucosia </Td> <Td> Leucosia </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> Ligeia </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> Ligeia </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> Peisinoe or Pisinoe </Td> <Td> Pisinoe </Td> <Td> </Td> <Td> Peisinoe </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> Himerope </Td> </Tr> </Table> <Tr> <Th_colspan="13"> COMPARATIVE TABLE OF NAMES AND PARENTAGE OF SIRENS ACCORDING TO VARIOUS SOURCES </Th> </Tr>

When do the sirens appear in the odyssey