50 IOWA STUDIES IN NATURAL HISTORY 



Station 297 ; 123 fathoms 



Astroschema oligactes Ophioplax Ijungmani 



Asteroporpa annulata Ophiomusium acxiferum 



Ophiomitra valida Ophiozonella tessellata 



Ophiotreta sertaia Ophiopcepale goesiana 



Station 298; 120 fathoms 



Astroschema oligactes Astrocnida isidis 



Asteroporpa annulata Ophiopcepale goesiana 



Ophiozona impressa 



Station 299 ; 140 fathoms 



Ophiacantha pentacrinus Ophiomusium acuferum 



Ophiozonella tessellata 



Station 300 ; 82 fathoms 



Ophiacantha hirsuta Ophiohehis umbella 



Ophiomusium acuferum 



Ophiuran recorded as in Sir Rawson W. Rawson 's collection : 

 Astrocyclus ccecilia 



Ophiurans recorded from Barbados by Professor Rene Koehler 

 in 1907 : 



Ophioplax Ijungmani Ophioscolex glacialis; 



Astrocyclus ccecilia 82 fathoms 



Ophiurans recorded from Barbados by Professor Koehler in 

 1913 : 



Ophioderma appressa OpJuocoma echinata 



Ophioderma hrevicauda . Ophiocoma riisei 

 Ophioderma cinerea Ophiocoma pumila 



Ophiozona impressa Ophiothrix angulata 



Ophiolepis paucispina Ophiothrix oerstedii 



Ophionereis reticulata Ophiothrix suensonii 



Ophiurans recorded from Barbados by Professor Koehler in 

 1914: 



Ophioplax Ijungmani Astrocyclus ccecilia 



