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Editions for 1954 and 1967 by O. Handlin and others.

Vols. for 1911-13 contain the Proceedings of the Helminothological Society of Washington, ISSN 0018-0120, 1st-15th meeting.

First to ninth reports, 1870-1883/84, with appendices giving reports on unpublished manuscripts in private collections; Appendices after v. [15a] pt. 10 issued without general title.