本文对石决明、白贝齿、海螺、牡蛎、珍珠母、蛤蜊、蚬子等的原动物耳鲍、拟枣贝、红螺、密鳞牡蛎、大连湾牡蛎、合浦珠母贝、日本镜蛤、四角蛤蜊、江户布目蛤等贝壳外形、结构、粉末进行了详细比较,并列表和附图。 This article describes the original species of abalone, quasi-paragraph, red snail, dense scale oyster, Dalian Bay oyster, Hepu pearl, Japanese mirror of Ishii, white shellfish, conch, oyster, mother of pearl, quail, oyster, etc. A detailed comparison of the shapes, structures, and powders of shells such as oysters, scallops, and edo burdock, and lists and drawings are provided.