X CONTENTS. 



Order IV. Chilophiurida Continued. 

 Family Ophiolepididae Continued. 



Ophiozonella molesta 425 



Ophiozonella subtilis 428 



Ophiozonoida obscura 431 



Ophiomidas reductum 434 



Ophiolepis annulosa 434 



Ophiolepis irregularis 434 



Ophioplocus imbricatus 435 



Family Ophioleucidae 436 



Ophiocirce inutilis 436 



Ophiopallas paradoxa 436 



Ophiopallas valens 437 



Ophiernus adspersus 440 



List of stations, with species found at each 442 



Bibliography 448 



List of type specimens 452 



Explanation of plates 453 



Index__ 481 



