54 IOWA STUDIES IN NATURAL HISTOFY 



Station 18 : One specimen. 

 Station 51 : One specimen. 

 Station 65 : One specimen. 

 Station 67 : Three specimens. 

 Station 70: One specimen. 

 Station 78 : Two specimens. 

 Station 85 : Two specimens. 

 Station 96 : Three specimens. 

 Station 100: Five specimens. 



Barbados; Engineers' Pier, 15-20 feet, — Fragments, 

 Barbados ; off Pelican Island, 4 fathoms ; from gorgonians and 

 corals, — Seven specimens, 



Barbados ; off Pelican Island, 50 feet, — One small specimen. 

 Barbados; off Needham's Point; diver, — Eight specimens. 

 Station 101 : Four specimens. 

 Antigua ; English Harbour ; in eel grass. — Two specimens. 



Ophiothrix lineata Lyman 

 Barbados ; off Pelican Island, 4 fathoms ; from gorgonians and 

 corals. — One specimen. 



Ophiothrix oerstedii Liitken 

 Barbados; Engineers' Pier, 15-20 feet; from gorgonians; May 

 18, 1918. — Two specimens. 

 Barbados; Needham's Point; diver. — Ten specimens, 

 Antigua ; English Harbour ; in eel grass. — Three specimens. 

 Antigua; English Harbour; rocks, — One specimen, 



Ophiothrix suensonii Liitken 



Station 53: One specimen. 



Station 59 : One specimen. 



Station 62: One specimen with the disc 14 mm. in diameter; 

 the spines on the disc are much more numerous and shorter than 

 usual. In life the disc was olive gray with five radial red bands, 

 and the arms were whitish with the dorsal arm plates dark coral 

 red and the ventral plates lighter. 



Station 89 : One specimen. 



Barbados; Engineers' Pier, 15-20 feet; from gorgonians; May 

 18, 1918. — Fifty-four specimens. 



Barbados ; off Pelican Island. — Two specimens. 



