. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Fig. 1.—MasoneUa planulata, n. sp. Fig-. %— patelUformis, n. sp. Magnified 5 diameter-. MasoneUa planulata, n. sp. (Fig. 1.) Test thin, complanate, rounded or oval in outline; pre- senting (typically) a small central convexity about one third the diameter of the disk, nearly equally developed on the two lateral faces. Radial tubes numerous, from Ol to 0*2 millim. in diameter ; either simple or dividing into two or three branches; limbate externally; the open periphera
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Fig. 1.—MasoneUa planulata, n. sp. Fig-. %— patelUformis, n. sp. Magnified 5 diameter-. MasoneUa planulata, n. sp. (Fig. 1.) Test thin, complanate, rounded or oval in outline; pre- senting (typically) a small central convexity about one third the diameter of the disk, nearly equally developed on the two lateral faces. Radial tubes numerous, from Ol to 0*2 millim. in diameter ; either simple or dividing into two or three branches; limbate externally; the open peripheral extremities serving as the general aperture. Texture loosely 21*. 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 London, Taylor and Francis, Ltd
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Keywords: ., bookce, booksubjectbotany, booksubjectgeology, booksubjectzoology
