SABELLIDES AND SERPULIDES 1 79 



Metachone. 



Type, M, mollis sp. nov. 



Protoplacostegus. 



Type, P. morchii (Mcintosh 1885, as Placostcgiis^ figures). 



Rhodopsis. 



Type, R. piisillus sp. nov. (See Addendum.) 



Metavermilia. 



Type, J/, miilticristata (Philippi 1844, + Marenzeller 1893, 

 as Vermilia^ figures). 



Paravennilia. 



Type, P. bcrmiidcnsis sp. nov. 



Schizocraspedon. 



Type, *S'. fiircifc7'a (Grube 1878, as Hydrotdcs, figures). 



Glossopsis. 



Type, G. minax (Grube 1878, as HydroidcSy figures). 



SPECIES NEW TO THE REGION. 



North Pacific. 

 Bering Sea : 



1. Spfrorbis sflrillinn Linne, variety lua'dus Montagu. 



South to Pacific Grove, California ; also Atlantic. 

 Alaska : 



2. Sabella elcgans sp. nov. Kadiak. 



3. Sabella hiuniUs sp. nov. Popof Islana. 



4. Sabella Icftalca sp. nov. Kadiak. 



5. Sabella formosa sp. nov. Berg or Glacier Bay. 



6. Pa7'asabella media sp. nov. Kadiak. 



7. Parasabclla ma en la fa sp. nov. Kadiak. 



8. Aspeira modesta sp. nov. Kadiak. 



9. Schizobranchia insignis sp. nov. Yakutat south to Vic- 



toria, Vancouver Island, British Columbia. 



10. Schizobranehia nobilis sp. nov. Unalaska Island to 



Prince William Sound. 



11. Schizobranchia concinna sp. nov. Prince William Sound. 



12. Schizobranchia dtibia sp. nov. Prince William Sound. 



13. Schizobranchia affinis sp. nov. Popof Island. 



14. Eiidistylia gigantca sp. nov. Prince William Sound to 



Yakutat. 



15. Ptidistylia phcmosa s^. nov. Sitka. 



