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Ophiuridae of the West Indies by Leah May Gaymon, 1893

Ophiuridae of the West Indies by Leah May Gaymon, 1893, Page 5

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2 feet confined to the -e--tral surface, Internal skeletal [pieces?] in the ambulacra articulated together like [r-tabae?]. Order: Ophiuroidea Asteroidea characterized by the absence of an anus and by the possession of long cylindrical arms which are sharply distinct from the disk and do not contain appendages of the alimentary canal. The ambulacral groove is covered by the der---- plates so that the ambulacral feet project at the sides of the arms. [Two families?] Family I: Ophiuroidae Ophiuroidae with side [arm?] spines, and ambu
 
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