The foot is narrower than the body. It is broadest at its anterior edge.
1: broad triangular propodium.
2: large hermaphrodite genital opening on right side.
3: circular mouth.
Image, as Eolis despecta, from Alder & Hancock (1845-1855) Family 3, Plate 36.
Imaged flipped to correct unintended mirror image in A&H. Many publications replicate the uncorrected image showing the genital opening on the left, despite the note in A&H about the error.