180 Proceedings of the Biological Society of Washington. 



31. Eudistylia polymorpha (Johnson). 



Bispira polymorpha, Proc. Boston soc. nat. hist., 1901, p. 429, pi. 17, 

 f. 179-183 and pi. 18, f. 184-185. 



Numerous specimens with their tubes. 



SERPULID^. 



32. Serpula vermicularis Linne. 



Serpula columbiana Johnson, Proc. Boston soc. nat. hist., 1901, 29, p. 

 432, pi. 19, f. 199-204. 



SABELLARIIDiE. 



33. Sabellaria californica Fewkes. 



Bull. Essex Inst.; 1889, 20, p. 130, pi. 7, f. 3 and 4. 

 Many specimens. 



34. Sabellaria cementarium Moore. 



Proc. acad. sci. Phil., 1906, p. 248, pi. 12, f. 45-51. 

 Three large specimens. 



