SABELLIDES AND SERPULIDES 179 



Metachone. 



Type, M. mottis sp. nov. 



Protoplacost egus . 



Type, P. mdrchii (Mclntosh 1885, as Placostegus ', figures). 



Rhodopsis. 



Type, JR. pusillus sp. nov. (See Addendum.) 



Metavermilia. 



Type, M. multicristata (Philippi 1844, -f Marenzeller 1893, 

 as VermiHa, figures). 



Paravermilia. 



Type, P. bcrmudensis sp. nov. 



Schizocraspedon. 



Type, S. furcifera (Grube 1878, as Hydroidcs, figures). 



Glossopsis. 



Type, G. minax (Grube 1878, as Hydroides> figures). 



SPECIES NEW TO THE REGION. 



North Pacific. 

 Bering Sea : 



1. Spirorbis spirillum Linne*, variety lucidus Montagu. 



South to Pacific Grove, California ; also Atlantic. 

 Alaska: 



2. Sabclla clcgans sp. nov. Kadiak. 



3. Sabclla humilis sp. nov. Popof Island. 



4. Sabella lepialca sp. nov. Kadiak. 



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



6. Parasabclla media sp. nov. Kadiak. 



7. Parasabclla maculata sp. nov. Kadiak. 



8. Aspcira modcsta sp. nov. Kadiak. 



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



toria, Vancouver Island, British Columbia. 



10. Schizobranchia nobilis sp. nov. Unalaska Island to 



Prince William Sound. 



1 1 . Schizobranchia concinna sp. nov. Prince William Sound. 



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



13. Schizobranchia ajpnis sp. nov. Popof Island. 



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



Yakutat. 



15. Eudistylia plumosa sp. nov. Sitka. 



