. The Conchologists' exchange. Mollusks. 24 THE NAUTILUS. Excellent illustrations are scattered freely throughout the text, illustrating at every point the statements made or the peculiarity mentioned ; and this is a new departure in conchological treatises. C ^ ... An Equivalve, Inequilateral Pelecypod Unio pictorum (L.). a. s. anal or excurrent siphon ; br. s. branchial or incurrent siphon ; /. foot. which can hardly be too warmly commended. The illustrations herewith shown are examples, and in beauty and fidelity to nature they speak for themselves. One would be critical indeed to ask for a
. The Conchologists' exchange. Mollusks. 24 THE NAUTILUS. Excellent illustrations are scattered freely throughout the text, illustrating at every point the statements made or the peculiarity mentioned ; and this is a new departure in conchological treatises. C ^ ... An Equivalve, Inequilateral Pelecypod Unio pictorum (L.). a. s. anal or excurrent siphon ; br. s. branchial or incurrent siphon ; /. foot. which can hardly be too warmly commended. The illustrations herewith shown are examples, and in beauty and fidelity to nature they speak for themselves. One would be critical indeed to ask for anything better than the figure of Unio margaritifer or Planorbis eorneiis. The species will be illustrated with colored plates, of which one accompanies this part. It is a really suj^erb piece of color- 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 Averell, William D. Philadelphia, Wm. D. Averell
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License: Licensed
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectmollusks, bookyear188
