SABELLIDES AND SERPULIDES 179 



Metachone. 



Type, M. mollis sp. nov. 



Protoplacostegus . 



Type, P. morchii (Mclntosh 1885, as Placostegus, figures). 



Rhodopsis. 



Type, 7?. pusillus sp.* nov. (See Addendum.) 



Metavermilia. 



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

 as VermiHa^ figures). 



Paravermilia. 



Type, P. bermudensis sp. nov. 



Schizocraspedon. 



Type, S. furcifera (Grube 1878, as Hydr aides > 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. Sabella elegans sp. nov. Kadiak. 



3. Sabella humilis sp. nov. Popof Islana. 



4. Sabella leptalea sp. nov. Kadiak. 



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



6. Parasabella media sp. nov. Kadiak. 



7. Parasabella maculata sp. nov. Kadiak. 



8. As-peira modesta 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 affinis sp. nov. Popof Island. 



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



Yakutat. 



15. Eudistylia plumosa sp. nov. Sitka. 



