TABLE OF CONTENTS. VII 



Family Ophiacanthidse Continued. rage. 



Ophiacantha vepratica Ly man 



vivipara Ljungman 



(Ophiopristis) permixta, new species 



(Ophiotreta) affinis, new species 



(Ophiotreta) sertata (Lyman) 102 



(Ophiotreta) valenciennesi Lyman 



Ophiomitrella americana, new species 



levis, new species 



Isevipellis (Lyman) 



porrecta, new species 



Ophiomitra robusta, new species 



valida Lyman 



Ophiopora bartletti (Lyman) 



Ophiolimna littoralis Kcehler 



Ophioleda minima Koehler 



Ophiotrema gracilis, new species 



Ophiocamax austera Verrill 



fasciculata Lyman 



Ophiologimus secundus, new species 



OphiocMton grandis Verrill 



Family Ophiocomidse 



Ophiocoma alexandri Lyman 



echinata (Lamarck) 



pumila Liitken 



riisei Liitken 



Family Ophiothricidae 



Ophiothrix angulata (Say) 



lineata Lyman 120 



cerstedit Lutken 121 



suensonii Lutken 



convoluta, new species 



Family Ophioscolecidae 



Ophioscolex glacialis Muller and Troschel 



Ophioleptoplax atlantica, new species 



Ophiobyrsella quadrispinosa, new species 



Family Ophiochondridse 127 



Ophioehondrus granulatus, new species 127 



armatus (Kcehler) - 



Family Ophiomyxidse 



Ophiomyxa flaccida (Say) 



Ophiodera stimpsonii (Lyman) 



Family Hemieuryalidse 



Sigsbeia conifera, new species 



sexradiata, new species 



Family Astrochemidse 



Astrochema elongatum, new species 



Bibliographical References 



Explanation of Plates 



Supplementary list of West Indian Ophiurana 



Index 167 



