Dist"mum lanceolatum Mehlis.

Dist"mum conjunctum Cobbold.

Dist"mum spathulatum Leuckart (= D. sinense Cobb., D. japonicum R. Blanch.).

Dist"mum rathouisi Poir. (probably = D. crassum Busk, D. buskii Lank.).

Dist"mum heterophyes v. Sieb.

Dist"mum pulmonale Bälz (= D. ringeri Cobb., D. westermanni Kerb.).

Dist"mum oculi humani Ammon (= D. ophthalmobium Dies.).

Monostomum lentis v. Nord.

Amphistomum hominis Lewis and M‘Connell.

Bilharzia haematobia Cobb.