. Science of the sea. An elementary handbook of practical oceanography for travellers, sailors, and yachtsmen. Fig. 144. Fig. 140.-Fig. 141.-Fig. 142.-Fig. 143.- PlG. I44.- Fig. 145.-FlG. 146.-Fig. 147.- Fig. 145. Fig. 146. Fig. 147. -Auricularia Larva of a Holothurian.-The same later, the young Trepang showing.-Pluteus Larva of an Echinoid.-The same later, the young Sea-Urchin promi-nent.-Bipinnaria Larva of an Asteroid.-The same later, carrying the young Starfish.-Pluteus Larva of an Ophiuroid.-The same later, with the young Brittle-Star.(Modified from Johannes Miiller.) is remarkable for it

. Science of the sea. An elementary handbook of practical oceanography for travellers, sailors, and yachtsmen. Fig. 144. Fig. 140.-Fig. 141.-Fig. 142.-Fig. 143.- PlG. I44.- Fig. 145.-FlG. 146.-Fig. 147.- Fig. 145. Fig. 146. Fig. 147. -Auricularia Larva of a Holothurian.-The same later, the young Trepang showing.-Pluteus Larva of an Echinoid.-The same later, the young Sea-Urchin promi-nent.-Bipinnaria Larva of an Asteroid.-The same later, carrying the young Starfish.-Pluteus Larva of an Ophiuroid.-The same later, with the young Brittle-Star.(Modified from Johannes Miiller.) is remarkable for it Stock Photo
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. Science of the sea. An elementary handbook of practical oceanography for travellers, sailors, and yachtsmen. Fig. 144. Fig. 140.-Fig. 141.-Fig. 142.-Fig. 143.- PlG. I44.- Fig. 145.-FlG. 146.-Fig. 147.- Fig. 145. Fig. 146. Fig. 147. -Auricularia Larva of a Holothurian.-The same later, the young Trepang showing.-Pluteus Larva of an Echinoid.-The same later, the young Sea-Urchin promi-nent.-Bipinnaria Larva of an Asteroid.-The same later, carrying the young Starfish.-Pluteus Larva of an Ophiuroid.-The same later, with the young Brittle-Star.(Modified from Johannes Miiller.) is remarkable for its complex life-history; the form, A, (Fig. 150) itself developed from a fertilized egg, givesrise to little buds, which wander up on to the projectinghorn behind their parent, and arrange themselves inthree rows. Those of the side rows, B, grow into aspoon-shape, and act as food and water pumps for the SALPS 187 rest (Fig. 151); large buds of the middle row, C, presentlybreak off (Fig. 152), carrying on their broken stumpstiny buds, which also belong to the middle row. These. Fig. 148.—Appendi-cularia. (After LOHMANN.) Fig. 149.—Pyrosoma (Blake),