POLYCHAETE WORMS, PART 1 



dC (set 1,2) 



55 



Figure 12. — Chrysopetalidae, Dysponetus pygmaeus, dorsal view animal (drawn from type 

 slide of Taphus hebes Webster and Benedict). 



Neuropodia short, conical; neurosetae little longer than notosetae, 

 compound, with stem transversely striated; blade quite long, delicate, 

 with slightly curved tip. Ventral cirri short, conical. Anal segment 

 prolonged into conical cirriform structure. Proboscis muscular, 

 with 2 maxillary pieces in the form of stylets. 



Biology. — Dredged on sandy bottom. Found in holdfasts of 

 Laminaria. 



Material examined. — Type of Taphus hebes from Eastport, 

 Maine. 



Distribution. — -East and west Greenland, Spitsbergen, Maine 

 fEastport), north Japan Sea. Low water to 28 fathoms. 



Family Ainphinomidae 



Most species of the family tropical and subtropical. Some common 

 in the littoral zones in the West Indies and occasional individuals 

 carried to more northern regions by the Gulf Stream and other currents 

 along the shore, for example Amphinome rosirata; others apparently 

 confined to floating objects, as Hipponoe gaudichaudi. A few species 

 typically northern in range. The amphiuomids commonly called 

 "fire-worms," an allusion to the stinging sensation caused by touching 



