INDEX 



239 



tricolor, Ophiactis, 91 

 txiglochis, Ophiothrix, 198 

 triloba, Ophiothrix, 198 

 tripassalotum, Ophiomusium, 156 

 trispinosus, Ophiopyrgus, 180 

 trychna, Amphiodia, 10 

 trychnum, Ophiomusium, 156 

 tuberculosa, Hemieuryale, 57 



Ophiacantha, 82 



Ophialcaea, 82 

 tuberculosus, Ophioplus, 57 

 tuberosus, Ophiolebes, 132 

 tumida, Amphiura, 39 



Ophiomyxa, 160 



Ophiura, 220 

 tumidus, Amphioplus, 39 

 tumulosa, Ophioglypha, 12S 

 tylota, Ophiolebes, 132 



Ophioplinthaca, 176 



umbella, Ophiohelus, 129 

 umbraticum, Ophiocten, 114 

 uncinatus, Ophiobrachion, 94 



Ophiodictys, 116 

 unicolor, Ophiarthrum elegans, 92 



Ophioderma teres, 115 



Ophiolepis, 136 

 Ursula, Ophiura, 220 

 urtica, Amphiura, 39 



valens, Ophiopallas, 166 

 valida, Anamphiura, 40 



Ophiomitra, 145 

 vallatus, Astrogomphus, 49 

 vallincola, Ophiernus, 94 

 variabile, Ophiomusium, 157 

 variabilis, Ophioglypha, 129 

 varispina, Ophiacantha, 83 

 venustus, Ophiothamnus, 184 

 vepratica, Ophiacantha, 83 

 verrucosa, Ophiura, 223 



P ectinura, 223 

 verrucosum, Astroceras, 47 

 versicolor, Ophiactis, 91 

 vestitus, Ophiolebes, 133 

 vexator, Ophiocentrus, 98 

 vicarius, Ophiothamnus, 184 

 vicina, Amphiodia, 10 



Ophiothrix, 198 

 victoriae, Ophionotus, 166 

 vilis, Ophiacantha, 83 

 vincula, Ophiothela, 186 

 virgata, Ophiothrix, 199 

 vitrea, Ophiocamax, 98 

 vittata, Ophiopsila, 179 

 vivipara, Amphiura, 39 

 Ophionereis, 166 

 Stegophiura, 225 



vmrdemani, Amphiura, 40 



Ophiophragmus, 40 

 wyville-thomsoni, Ophiopyrgus, li 



zela, Ophiomusium, 157 



S. GOVERNMENT PRINTING OFFICE : 1969 O - 347-689 



