NO. 2 HARTMAN : POLYCHAETOUS ANNELIDS 287 



Laeospira borealis (Daudin) 



Fauvel, 1927, p. 399, fig. 135. 



Throughout the Dillon Beach and Tomales Bay areas, this occurs 

 commonly on hard surfaces, algae or other foreign objects. 



Dexiospira spirillum (Linneaus) 



Fauvel, 1927, pp. 392-393, fig. 132. 



Habitats are the same as for Laeospira borealis (above). The two 

 species are sometimes found on the same surfaces. 



