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Sub-Order Monadina

SUB-ORDER MONADINA Family: Trypanomorphidae, Woodcock. Haemoflagellates derived from a uniflagellate, Herpetompnadine form, in which the point of insertion of the single (anterior) flagellum into the body has travelled backwards from the anterior end for a greater or less distance, the flagellum itself having become, concurrently, attached to the body for a portion of its length by means of an undulating membrane.

Genus Trypanomorpha, Woodcock, 1906. With the characters of the family. The only species yet known is the type species, T. noctuae (Celli and San Felice). [Syn. Trypanosoma n. (C. & S.F.), SchaMd.=Halteridium n. (C. & S.F.)]. See figs. 3, E, 7. Vertebrate host, Athene noctua, Little Owl; invertebrate host, Culex pipiens.

There are, in addition, other forms, which are probably to be placed in this family, but which are not yet sufficiently well known for their systematic position to be settled. It is, for instance, quite likely that certain Herpetomonadine parasites described by L6ger (29, 34) from various blood-sucking insects are really only stages in the life of a Haemoflagellate. Some of these are placed by Leger in a newly discovered genus, Crithidia.

Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)

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