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ECHINODERMATA. 173<br />
The Asterids tell a not dissimilar story : of the 26 species found<br />
in the intertropical Australian seas, 3 onl^^, or 11-5 per cent., wore<br />
found also at Port Jackson, while 8, or 30 per cent., were found also<br />
in the western seas.<br />
Opliiuroidea.—Twenty-nine species were found in the intertropical<br />
Australian seas ; and of those 3, or 10 per cent., were found also at<br />
Port Jackson, while 16, or more than 50 per cent., were found in<br />
the western parts of the Indian Ocean.<br />
It is useless, in the present condition of our knowledge, to appeal<br />
to the Holothuroidea or the Crinoidea.<br />
Table IV.—List of Asteroidea collected by the ' Alert.'<br />
Asterias calamaria<br />
25ol3plax<br />
Echinaster purpureus ....<br />
Metrodira subulata<br />
Linckia laevigata<br />
nodosa<br />
luannorata<br />
multiforis<br />
paiiciforis<br />
diplax<br />
megal oplax<br />
Scytaster variolatus<br />
Ant lienea flavescens<br />
Oreaster gracilis<br />
nodosus<br />
lineki<br />
Stellaster belcheri<br />
incei<br />
Pentagonaster coppingeri<br />
validus<br />
Dorigona longimana<br />
Culcita schmideliana<br />
Gymnasterias carinifera .<br />
Asterina belcheri<br />
calcar<br />
cepheus<br />
gunnii<br />
regularis<br />
brevis<br />
Patiria crassa<br />
Astropecten coppingeri .<br />
polyacanthus<br />
Archaster typicus<br />
Retaster insignis<br />
^ 03
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