VERMES 133 



on the beach are often covered with worm tubes of 

 this species. Frequently present on Pleistocene 

 shells. 



Spirorbis spirorbis Linne 

 (Spirorbis borealis Daudin) 



Lives in a minute coiled calcareous tube at- 

 tached to sea-weed, shells, etc. Common from Long 

 Island Sound northward. This and other species 

 occur in New Jersey. Found on Sargassum (Gulf 

 Weed) after storm at Cape May. (September 1934) 



Sabellaria vulgaris Verrill 



(S. v avians Webster) 



PLATE XIII. Fig. 2; Fig. 14 



Forms firm sand tubes which may be attached 

 to shells or may grow into large masses perhaps a 

 foot thick. Especially common on oysters in Dela- 

 ware Bay but dredged in the ocean off the New Jer- 

 sey coast to 20 fathoms. The tubes of this worm a^ 

 commonly washed on the beach. Worm is sm? :, 

 reddish yellow. North Carolina to Cape Cod. 



