. Bulletin - United States National Museum. Science. 472 BULLETIN 100, UNITED STATES NATIONAL MUSEUM. Fig. 201.—Genus Chaperia Jullien, 1881 A-C. Chaperia transversalis Opercula, X85. D-G. Chaperia acanthina Quoy and Gaimard, 1824. Four opercula. (F. After Kirkpatrick, 1890; G, X85. After Waters, 1895.) H, I. Chaperia spinosissima Calvet, 1904. Two opercula. (After Calvet, 1904.) J, K, L. Chaperia galeata var. bilaminata Waters, 1898. J. Operculum of ovicell. K. Operculum of the aperture. L. Avicularian mandible, X85. (After Waters, 1898.) M. Chaperia capensis Busk, 1884. Operculum. N, O. Chap
. Bulletin - United States National Museum. Science. 472 BULLETIN 100, UNITED STATES NATIONAL MUSEUM. Fig. 201.—Genus Chaperia Jullien, 1881 A-C. Chaperia transversalis Opercula, X85. D-G. Chaperia acanthina Quoy and Gaimard, 1824. Four opercula. (F. After Kirkpatrick, 1890; G, X85. After Waters, 1895.) H, I. Chaperia spinosissima Calvet, 1904. Two opercula. (After Calvet, 1904.) J, K, L. Chaperia galeata var. bilaminata Waters, 1898. J. Operculum of ovicell. K. Operculum of the aperture. L. Avicularian mandible, X85. (After Waters, 1898.) M. Chaperia capensis Busk, 1884. Operculum. N, O. Chaperia imbricata Busk, 1884. N. Operculum. O. Avicular- ian mandibles. (M-0 After Busk, 1884.) P. Chaperia australis Jullien, 1884, sketch showing the arrangement of muscles, X45. om, opercular muscles; pv, parietovaginal muscles; p., parietal muscles. (After Marcus, 1922.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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