. Shells and sea-life. They feed on animal matterinstead of vegetable. You no-tice in both the pictures a littlecanal, or open tube, at thebottom of the shell. You cansee the same plainly in Figure64, which is the picture of an-other Purple. All the shellsthat have this canal belong toanimals that are carnivorous,while those that have roundopenings, like Figure 56, be- Figure ec. long mostly to herb-eat-ing mollusks. Purples are so calledbecause a rich dye usedto be obtained from sim-ilar mollusks that livedin the MediterraneanSea. Perhaps you haveall read of this famousdye, which was knownas
. Shells and sea-life. They feed on animal matterinstead of vegetable. You no-tice in both the pictures a littlecanal, or open tube, at thebottom of the shell. You cansee the same plainly in Figure64, which is the picture of an-other Purple. All the shellsthat have this canal belong toanimals that are carnivorous,while those that have roundopenings, like Figure 56, be- Figure ec. long mostly to herb-eat-ing mollusks. Purples are so calledbecause a rich dye usedto be obtained from sim-ilar mollusks that livedin the MediterraneanSea. Perhaps you haveall read of this famousdye, which was knownas Tyrian Purple. The finest Purples of our coast live in the northern waters, where Figure 67. some of them are very.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmollusk, bookyear1901
