34 



INDEX 



Oolaster, 321 

 Opechinus, 312 

 Ophvwantha, 278 



Ophiactis, 278 

 Ophiarachna, 277 

 Ophiarthrum, 278 

 Ophidiaster, 255 

 Ophiernus, 278 

 Ophioblenna, 278 

 Ophiobyrsa, 276 

 Ophiocamax, 278 

 Ophiocentrus, 278 

 Ophioceramis, 278 

 Ophiochiton, 278 

 Ophiochondrus, 276 

 Ophiochytra, 278 

 Ophiocnemis, 278 

 Ophiocnida, 278 

 Ophiocoeta, 277 

 Ophiocoma, 278 

 Ophioconis, 277 

 Ophiocreas, 276 

 Ophiocrene, 276 

 Ophiocrinus (Ang.), 179 



(Charlesw.), 146 



(Salter), 201 



(Semper), 195 

 Ophiocten, 278 

 Ophiocymbium, 278 

 Ophiodenna, 277 

 Ophiogeron, 276 

 Ophioglypha, 278 

 Ophiogona, 277 

 Ophiogymna, 278 

 Ophiohelus, 276 

 Ophiolebes, 278 

 Ophiolepis (Lyman), 278 



(M. & T.), 278 

 Ophiomartus, 278 

 Ophimnastix, 278 

 Ophiomaza, 278 

 Ophiomitra, 278 

 Ophiomusium, 278 

 Ophiomyces, 276 

 Ophiomyxa, 276 

 Ophionema, 278 

 Ophionephthys, 278 

 Ophionereis, 278 

 Ophiopaepale, 278 

 Ophiopege, 275 

 Ophiopdtis, 278 

 Ophiopeza, 277 

 Ophiopholis, 278 

 Ophiophragonus, 278 

 Ophiophyllum, 278 

 Ophioplax, 277 

 Opliioplinthiis, 278 

 Ophioplocus, 278 

 Ophiopsamnium, 278 

 Ophiopsila, 278 

 Ophiopteris, 278 



