最終更新日:2022/12/24
[T]he ſhell of teredo is diſtinguiſhed as being tubular, cylindrical, and open at both ends, lower orifice furniſhed with two lozenge-ſhaped valves, and the upper with two ſpatulous opercules.
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[T]he ſhell of teredo is diſtinguiſhed as being tubular, cylindrical, and open at both ends, lower orifice furniſhed with two lozenge-ſhaped valves, and the upper with two ſpatulous opercules.