Some nematode parasites from Australian hosts.

Four species are described as new, and amplified descriptions are given of six other species.'Che following are included: Capillaria miniopterae n. sp.(Miniopterus blepatis); Amidostomum bisiurae Johnston & Mawson (Biziura lobata); Nieollina echidnue Baylis and N. cametont nu.sp.(Tachyglossus aculeata): Nuyucteridastrangylus ticicollis Baylis and Molinustrongylus dollfust n. sp.(Miniopterus blepetis); Austrostrongylus thylogale Johnston & Mawsoa (Setimix brachyura); Pharyngodon australis Johnston & Mawson (Tiliqua scincuides); Porrocaecum (Laymanicaccum) sp., imuiature (Emusium ballot); Amplicaecum mackerrasae non.noy.syn, Ophidascaris varani Jolinston & Mawson (Varanus varius);