Natural history of animals; . Fig. 466. — Mellita. Southeast coast of United States. number of curious littleorgans called pedicil-laricB. They look like astem ending in a knob,but the knob is com-posed of three pieces orblades, which open andshut tightly, thus form-ing a sort of organs are of usein keeping the shellclean. The number of kinds FiS- ^> ~ Rotula- Coast of Africa-of Sea Urchins is quite large, and they vary in sizefrom an inch to three or four inches in diameter, andhave spines from a quarter of an inch long to three orfour inches in length. Some of them are capab
Natural history of animals; . Fig. 466. — Mellita. Southeast coast of United States. number of curious littleorgans called pedicil-laricB. They look like astem ending in a knob,but the knob is com-posed of three pieces orblades, which open andshut tightly, thus form-ing a sort of organs are of usein keeping the shellclean. The number of kinds FiS- ^> ~ Rotula- Coast of Africa-of Sea Urchins is quite large, and they vary in sizefrom an inch to three or four inches in diameter, andhave spines from a quarter of an inch long to three orfour inches in length. Some of them are capable ofmaking holes in hard substances, even in limestone 238 ECHINODERMS : STARFISHES. Other kinds, like Figures, 465, 466 and 467, burrowin the sand. These are much flattened. STARFISHES, OR SEA STARS. Starfishes are common on all rocky coasts. Theyare readily found by looking under the seaweed inpools that have been left by the tide. They are sonamed from their starlike form, the disk or central r^^^w^m
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1895
