Trypanosomes and dactylosomes from the blood of fresh-water fish in East Africa.

摘要: 1. Trypanosomes were found in the blood of thirty-five seventy-two fish five genera (chiefly Tilapia spp.) from Lakes Victoria and George, Uganda. 2. The trypanosomes, which never numerous blood, showed two morphological forms—small (22–44μ. long) large (45–65μ). No significant differences observed between trypanosomes different species fish, all seen are provisionally identified as Trypanosoma mukasai Hoare, 1932. 3. Crithidia gut a glossosiphoniid leech had been removed fish; although suggestive, this cannot be taken conclusive evidence that leeches family vectors T. mukasai. 4. taxonomy African fresh-water is reviewed, it concluded only following should regarded valid at present: toddi Bouet, 1909, 1932, tobeyi Dias, 1952. 5. Dactylosoma mariae 1930, was thirty-six examined. Merozoites, schizonts gametocytes small unpigmented parasite within erythrocytes. developmental stages certain viscera infected fish.