yj CONTENTS. 



Order IT. Loemophiurida Continued. 

 Family Ophiacanthidae Continued. 



Ophiotreta gratiosa 7 * 



Ophiotreta matura 



Ophiotreta spatuliiera r~ 



Ophiotreta valenciennesi 



Ophialcaea congesta 



Ophientrema leucostictum 



Ophiotrema tertium 



Ophiotoma assimilis 



Ophiomedea discrepans 



Ophiocopa sirigularis 



Ophiothamnus venustus 



Ophiurothamnus 



Ophiurothamnus stultus 



Ophiurothamnus excavatus 



Ophiomitra dives 107 



Ophlomitrella exilis 



Ophiomitrella sagittata 



Ophiomitrella subjecta 



Ophioripa 



Ophioripa marginata 



Ophioripa nugator 



Ophiothalmus 



Ophiophthalmus relictus 124 



Ophiophthalmus suspectus 127 



Ophiomelina 129 



Ophiomelina placida 130 



Ophioplinthaca chelys 131 



Ophioplinthaca globata 132 



Ophioplinthaca hastata 137 



Ophioplinthaca pulchra . 140 



Ophioplinthaca rudis 142 



Ophiocamax rugosa 147 



Order III. Gnathophiurida 151 



Family Amphiuridae 3 51 



Amphiura agitata 151 



Amphiura ambigua . 152 



Amphiura commutata 152 



Amphiura dejecta 154 



Amphiura demissa 156 



Amphiura diomedeae 158 



Amphiura grandisquama 159 



Amphiura uncinata 160 



Amphiura vadicola 161 



Amphipholis kochii 163 



Amphipholis loripes 164 



Amphipholis misera 165 



Amphiodia crassa 167 



Amphiodia debita 168 



Amphioplus legatus 169 



Amphioplus conductus 172 



Amphioplus impressus 174 



