TABLE OF CONTENTS. IX 



Descriptions of species — ('ontinued. Page. 



Family Ophiomyxidje 269 



Ophiobyrsa acanthiiiobrachia 269 



synaptacantha 270 



Ophiomyxa australis 271 



anisacantha 271 



Genus Ophiophrixus 272 



Ophiophrixus acanthinus 273 



Genus Ophiocynodus 274 



Ophiocynodus corynetes 274 



Genus Ophiosyzygus 275 



Ophiosyzygus disacanthus 276 



Genus Ophiohymen 277 



Ophiohymen gymnodiscus 277 



Genus Ophioleptoplax '. • 278 



Ophioleptoplax megapora 279 



Family Astrophytidse 280 



Asteroporpa hadracantha 280 



Astrochele Isevis 281 



Ophiocreas oedipus 283 



Astroceras pergamena 1 284 



Asteronyx loveni 285 



Trichaster palmiferus 287 



Gorgonocephalus caryi 287 



sagaminus 292 



Ast rophy ton cornutum 293 



pardalis 293 



Euryale anopla 294 



Index ^^^ 



