Catalog number(s): USNM 38313, 48008 Subject: plates Artist: Winchester, Helen Medium: Ink wash & pencil on paper and retouched photos Published: Pilsbry, Henry Augustus 1916 The sessile barnacles (Cirripedia
) contained in the collections of the U. S. National museum; including a monograph of the American species, Bulletin (United States National Museum); 93. Plate #19. Fig. 1, 1a-e, 2, 2a-e.
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