82. A serpulid tube worm, Scipula vermicuhiris, fastened 

 to a scallop shell. The red tentacles, or gills, are pro- 

 tiiided from a pink or greenish hard calcareous tube 3 

 to 4 inches long. The worm li\es below low-tide mark, 

 and is wideK' distributed on Atlantic, Pacific, and other 

 shores. (England. D. P. Wilson) 



81. A feather-duster worm, Eudisttjlia 

 vancouveri, a large sabellid annelid 

 that lives in sand and mud flats on the 

 American Pacific coast. The feathery 

 tentacles, used in feeding and respi- 

 ration, are protruded from a tough 

 parchment-like tube, which extends 

 deep into the substrate. (California. 

 Woody Williams) 



83. Several sabeUid fan worms, Sjiironriiplii.'i. shown 

 here with the long tubes laid on sand in a tank of the 

 Station Biologicjiie, Roscoft, France. It lives upright, 

 with the tube imbedded in sand and mud flats, from 

 the English Channel to the Mediterranean. (Ralph 

 Buchsbaum) 



