Cestoda fromRattus assimilis(Gould, 1858) from Australia

Four species of adult cestodes and one larval form were recovered fromRattus assimilis(Gould, 1858) from Queensland.Hymenolepis diminutaRudolphi, 1819; and the cysticercus ofTaenia taeniae-formis(Batsch, 1786) are new host records for Australia; the same infestations withRaillietina(Raillietina)celebensis(Janicki, 1902) have also been recorded by Baer and Sandars (1956). Two new species, viz:—Choanotaenia ratticolaandHymenolepis australiensisare described. The type specimens are lodged in the Queensland Museum, Brisbane. Cotype and other specimens studied are also lodged in the Queensland Museum and in the Institut de Zoologie, Université de Neuchâtel, Switzerland; the Department of Parasitology, London School of Hygiene and Tropical Medicine and in the British Museum (Natural History).