POLYCH^ETA. BENHAM. 175 



Of the twelve new species then found, so far as the present 

 material has been examined, the " i^ndeavoxir " collection 

 contains four, namely, Stauronereis (Staurocephalus) austra- 

 liensis, Polynoe plalycirnis, Eunice pycnobranchiata, and E. 

 bassensis, the last, having been founded for a small fragment, 

 it is now fully described for the first time. 



Two world-wide species, Eunice siciliensis and Hyalinoecia 

 tubicola, are also represented, while Hesione splendida and 

 Nephthys macrura are known from other parts of the world. 



Xew species of the interesting and rare Lumbriconereid 

 genera, Oenone and Lysarete are here established. But 

 perhaps the most interesting feature of the collection is the 

 abundance of the polynoid genus Physalidonotus, originally 

 discovered in New Zealand, and later on in Japanese waters. 

 I find it necessary to make four new species, and it will 

 probably be found to be widely distributed through the 

 Pacific Ocean. 



From the subjoined list it will be seen that I have found 

 it necessary to establish eleven new species, while two others 

 are possibly new to science. 



Under each species here recorded I have added the geo- 

 graphical distribution so far as the literature at rny disposal 

 enables me to do so. 



LIST OF SPECIES. 



Family HESIONIDJ5. 



Hesione splendida, Savigny. 



Family APHRODITID^. 



Sub-family POLYNOIN^. 



Polynoe pJalycirrus, M'Intosh. 

 Lepidonotas hedleyi, sp. nov. 

 Lepidonotus willeyi, sp. nov. 

 Physalidonotus rugosus, sp. nov. 

 Physalidonotus laevis, sp. nov. 

 Physalidonotus turritus, sp. nov. 

 Physalidonotus paucibranchiatus, sp. nov. 

 Harmothoe etheridgei, sp. nov. 

 Scalisetosus australiensis, sp. nov. 



