title: The occurrence of a new variety containing two opposite mating types of Paramecium calkinsi as found in sea water of high salinity content.
authors.forename: R
authors.initials: R
authors.lastname: WICHTERMAN
mesh_terms: D000818:Animals; D056890:Eukaryota; D007448:Invertebrates; D010247:Paramecium; D012098:Reproduction; D054712:Salinity; D012623:Seawater