. Catalogue of the Mollusca in the collection of the British Museum. Mollusks -- Catalogs and collections. Fip. 19.—Interior of dorsal valve, showing the forked apophysis in the centre, and the branching pallial vessels on each side. Fip. -20.—Interior of dorsal valve with the animal, from a dry specimen in the British Museum. The brachial apparatus of Kraussia Lainnrckiana (fig. 20) is like' that of 'I'erehrutula and Terebratellu, but the arms are un- usually small in the sjjecies examined, and their fringes do not extend more than half way towards the border of the shell; they are supported


. Catalogue of the Mollusca in the collection of the British Museum. Mollusks -- Catalogs and collections. Fip. 19.—Interior of dorsal valve, showing the forked apophysis in the centre, and the branching pallial vessels on each side. Fip. -20.—Interior of dorsal valve with the animal, from a dry specimen in the British Museum. The brachial apparatus of Kraussia Lainnrckiana (fig. 20) is like' that of 'I'erehrutula and Terebratellu, but the arms are un- usually small in the sjjecies examined, and their fringes do not extend more than half way towards the border of the shell; they are supported solely by the small forked ])rocess above described, no other part of the apophysary system being calcified. 1. Kraussia rubra. Shell suborbieular, ornamented with numerous, radiating ribs, sometimes bifurcating, or augmenting by intercalation; colour pale, with red rays and bands of growth; dorsal valve (see fig. 19) slightly depressed in the centre, in front, furnished internally with. 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 British Museum (Natural History). Dept. of Zoology; Gray, John Edward, 1800-1875. London Printed by order of the Trustees


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Keywords: ., bookauthorgrayjohnedward1800187, bookcentury1800, bookdecade1840