POLYCHAETE WORMS, PART 1 



43 



Figure 9. — Polynoidae, a-c, Harmothoe nodosa: a, dorsal view part of 2 segments showing 

 extra lobes medial to dorsal tubercle and elytrophore; b, elytron; c, tip of neuroseta. 

 d, Harmothoe oerstedi, elytron, e-f, Harmothoe spinulosa: e, elytron;/, tip of neuroseta. 

 g, Harmothoe fragilis, elytron. 



Biology. ^ — Dredged in deeper waters. 



Material examined.— Specimens from off Nova Scotia to off 

 Martha's Vineyard, Massachusetts, 183 to 640 fathoms. 



Distribution. — Off Nova Scotia to Massachusetts. In 183 to 640 

 fathoms. 



569-457—63- 



