POLYCHAETE WORMS, PART 1 



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Biology. — Found at low water, under stones, on algae, among 

 barnacles, and oysters. Found among the scrapings of pilings, 

 among sponges, tunicates, hydroids. Dredged among ascidians (as 

 the sandy tunicate Amaroecium pelluddum) , among bryozoan nodules, 

 broken shells. In the Woods Hole region, adults with developing 

 sex products in the tail region and detached developing sexual stolons 

 were found in July and August (July 15, 1953, August 22, 1952, 

 August 6, 1953). 



Material examined. — Numerous specimens from Massachusetts 

 (Woods Hole region. New Bedford, Cuttyhunk, Martha's Vineyard, 

 Vineyard Sound, low water to 15 fathoms), Maryland (Ocean City, 

 Rattlesnake, Hardy's Hole, Chincoteague Bay, low water). 



Figure 32. — Syllidae, Syllis gracilis: a, dorsal view anterior end; b, parapodiuin from 

 middle region; c, neurosetae from middle segment; d, dorsal view anterior and posterior 

 regions of female stolon or chaetosyllis stage; e, parapodium of same, with swimming 

 setae. 



