40 



IOWA STUDIES IN NATURAL HISTORY 



collecting that has since been done in the West Indies, and even 

 at Water Island itself, no others have ever come to light. 



THE OPHIURANS OF THE CARIBBEAN REGION 



Those designated with an asterisk (*) have been recorded 

 from Barbados. 



Family Ophiomyxidae 



Ophiomyxa flaccida 

 *Ophiomyxa tumida 



Ophiomyxa hrevicauda 

 *Ophiohyrsa serpens 



Ophiohyrsa perrieri 



Ophiohrachion uncinatus 

 *Ophiogeron supinus 

 *Oph iosciasma granulatum 



Ophiosciasma attenuatum 

 Ophiophrixus quadrispinosus 

 Ophiodera stimpsonii 

 Ophioscolex disacanthus 



^Ophioscolex glacialis 



*Ophioscolex tropicus 

 Ophioscolex serratus 

 Ophioleptoplax atlantica 



Family Trichasteridae 



*Astroschema arenosiim 

 Astroschema intectum 

 Astroschema hrachiatum 



* Astroschema Iceve 



*Astroschema oligactes 

 Astroschema sulcatum 



* AstroschemAi tenue 

 Astroschema clavigerum 



Astroschema elongatum 

 Astroschema nuttingi 

 Astroschema vicinum 



*Ophiocreas lumhricus 

 Ophiocreas oedipus 



*Ophiocreas spimdosiim 

 Aster onyx loveni 

 Astrodi-a tenuispina 



Family Gorgonocephalidae 



Astrogomphus vallatus 

 Astrogomphus rudis 

 *Asteroporpa annulata 

 *Asteroporpa pidchra 

 *Astrocnida isidis 



Astrospartus mucronatus 

 Astrophytu m muricatum 

 Astrogordius cacaoticus 

 *Astrocyclus ccecilia 

 Astrocynodus herrarai 



Family Hemieuryalidse 



Ophiochondrus armatus OphiochondreUa squamosa 



*Ophiochondrus convolutus 

 Ophioch 071 drus c rass isp in u s 

 Ophioch ondriis gracilis 



*Sigsbeia murrhina 

 Oph ioh olcus sexradiatus 

 Ophioplus tuhercidosus 



*Hemieuryale pustidata 



