Ref ID : 7781
John O. Corliss; Current status of the International Collection of Ciliate Type-Specimens and guidelines for future contributors. Trans.Amer.Micros.Soc. 91(2):221-235, 1972
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The International Collection of Ciliate Type-Specimens, established in 1963 and now housed in the Smithsonian Institution (United States National Museum), has been growing steadily, containing some 180 type-specimens, representing 105 species, as of 1 January 1972. Many additional preparations, most of them containing ciliates impregnated with silver according to one of several methods, are expected on completion of certain major taxonomic treatises now in preparation in different parts of the world. Guidelines for preparation and mailing of type material are offered in some detail because of the importance of having such slides in an international repository rather than in personal private collections. A brief discussion of the type concept is included. A major feature of the present paper is an extensive table supplying data on all species of ciliate Potozoa now represented in the Smithsonian collection.