Some Nematodes from the freshwater fishes of Rhodesia with the description of a new species

Four species of Nematodes were found in freshwater fishes of Rhodesia : Camallanus kirandensis Baylis, 1928, from the gut of Labeo altivelis Peters, and Philometroides sp. from under the skin of the same host. Contracaecum sp. larva from the body cavity of Eutropius depressirostris (Peters), Hydrocynus vitatus (Castelnau) and Mormyrops deliciosus (Leach). Cithariniella petterae n. sp. from the gut of Distichodus schenga Peters, is distinguished from Cithariniella khalili by its much larger size and other characters