. Beautiful shells : their nature, structure, and uses familiarly explained : with directions for collecting, cleaning, and arranging them in the cabinet and descriptions of the most remarkable species. Shells; Shells. 72 Beautiful Shells, somewliat stouter foi-m, called cxustus—burned or scorclied. Of tlie Poaclied-egg Cowries tliere are several species^ tlio most common is called by naturalists Oculum ovum, Fig. 4, from ovum—an egg; the back of this shell is mucli elevated and rounded; it is smooth and vrliite; the inside is orange brown. Some of the Poached-egg group are of a more slender a
. Beautiful shells : their nature, structure, and uses familiarly explained : with directions for collecting, cleaning, and arranging them in the cabinet and descriptions of the most remarkable species. Shells; Shells. 72 Beautiful Shells, somewliat stouter foi-m, called cxustus—burned or scorclied. Of tlie Poaclied-egg Cowries tliere are several species^ tlio most common is called by naturalists Oculum ovum, Fig. 4, from ovum—an egg; the back of this shell is mucli elevated and rounded; it is smooth and vrliite; the inside is orange brown. Some of the Poached-egg group are of a more slender and angular shape, as, for instance, that called the Gibbous (0. Glhhosa); the moon when more than half-full, is called gibbous— that is, rounded unequally, as this shell. Few shells undergo greater changes, both of shape and colour, during the process of growth, than the Cowries, which are called in France Porcelaines, on account of their high polish and brilliant hues; a single species in dif- ferent stages of development might well be, and often is, taken for distinct shells. Much might be said about the Mollusks which inhabit them, but our present subject has rather to do with their outer covering than their internal structure. The most rare and valuable, if not the most beautiful of these Cowries, is the G. aurora, or aurantlum, Morning- dawTi, or Orange Cowry, a perfect specimen of which has been sold for fifty guineas. There is a. 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 Adams, H. G. (Henry Gardiner), 1811 or 12-1881; Berry, S. Stillman (Samuel Stillman), 1887-1984, former owner. DSI; Roper, Clyde F. E. , 1937- , donor. DSI. London : Groombridge and Sons
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