POLYCHAETE WORMS, PART 1 



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Figure 39. — Syllidae, Autolytus jasciatus, female siolon or sacconcreis stage: a, lateral 

 view, with 3-lobed egg sac; b, dorsal view anterior end; c, ventral view anterior end. 



stolons found in surface waters in June to September (Massachusetts), 

 in September (North CaroUrux, Wilson, 1900); according to Allen 

 (1957), it breeds all the year round in Puerto Rico, being most abun- 

 dant in May througli July; the female stolons were collected most 

 commonly, the male stolons appeared to be rare. 



Material examined. — Massachusetts (Woods Hole region; 

 Martha's Vineyard; Vineyard Sound, 13 fathoms), Puerto Rico (Mag- 

 ueyes, Parguera, female stolons with egg sacs, May 13, 1955; male 

 stolons, July 26, 1955, and September 21, 1955, M. J. Allen). 



Distribution. — Massachusetts to South Carolina, Puerto Rico. 

 Low water to 18 fathoms; sexual stolons at surface. 



