TABLE OF CONTENTS. IV 



Page 



Ophiocten, LiltJc 113 



sericeum, Forbes 113 



Ophiochiton, Lym 114 



ternispinis, Lym 114 



Ophiomusium, Lym 115 



lynaani, Wyv. Thorns 115 



Ophiocnida, Lym 116 



brachiata, Mont 110 



Amphiura, Forbes 117 



chiajii, Forbes 117 



ffliformis, 0. F. Mull 119 



elegans, Leach 119 



securigera, Bub, Sf Kor 120 



borealis, G. 0. Sars 121 



bellis, var. tritonis, Hoyle 121 



Ophiactis, Little 122 



abyssicola, Sars 123 



balli, Thompson 123 



Ophiopus, Ljimgm 124 



arcticus, Ljungm 124 



Ophiopholis, Liitk 125 



aculeata, L 125 



Ophiacantha, M. Tr 127 



bidentata, Retz 127 



spectabilis, G. 0. Sars 128 



abyssicola, G. 0. Sars 128 



Ophiocoma, Agass 128 



nigra, Abilg 129 



Ophiopsila, Forbes 130 



annulosa, Sars 130 



Ophiothrix, M. Tr 130 



fragilis, Abilg 131 



luetkeni, Wyv. Thorns 133 



Ophioscolex, M. Tr 134 



glacialis, M. Tr 134 



purpurea, Dub. 6f Kor 134 



