. Shells and sea-life. ock. Sometimes a reef gets sofull of holes that great pieces are broken off bythe waves during a storm, and rolled up on thebeach. You can hnd such pieces at old Monte-rey, with the dead shells still remaining in theburrows. AVhen the creatures begin to bore they arevery small, and as they go on, the diameter of theburrow must increase, to allow for their growth. A FEW MORE MOLLUSKS. Ill And so it happens that a piddock that has oncemade his house becomes a prisoner for life. But what does he care! He is safe and quiet,and he can always pump in water with its foodand air


. Shells and sea-life. ock. Sometimes a reef gets sofull of holes that great pieces are broken off bythe waves during a storm, and rolled up on thebeach. You can hnd such pieces at old Monte-rey, with the dead shells still remaining in theburrows. AVhen the creatures begin to bore they arevery small, and as they go on, the diameter of theburrow must increase, to allow for their growth. A FEW MORE MOLLUSKS. Ill And so it happens that a piddock that has oncemade his house becomes a prisoner for life. But what does he care! He is safe and quiet,and he can always pump in water with its foodand air for his daily use, and with that he is con-tent. But his sphere of knowledge and activityis very, very small. Are you not thankful thatyours is so much larger? BLACKBOARD WORDS. Fucus (fukus), yegetation (vej-e-tashun), ancient (an-shent), chemicals (kemi-klz), Chiton (kitdn), withal(with-al), carnivorous (kar-nivo-rtis), Tyrian (tiri-an),chorus (kortts), original (o-rTji-nal), diameter (di-ame-ter), piddock (piddok).. Figure 71


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmollusk, bookyear1901