Fig. 194. Diagrams of reproduction in the Polychaeta. A-D, Syllidae. 

 E, Eunicidae. A, Syllis with the posterior region forming a reproductive in- 

 dividual. B, Autolytus with a chain of reproductive individuals budded off 

 successively from pr.r. a proliferating region. C, Trypanosyllis gemmipara, 

 longitudinal section through the end of a budding stock showing two kinds 

 of reproductive individual, rs. a single individual which contains al. , the 

 continuation of the alimentary canal {al.) of the stock, and rs. successive rows 

 of individuals without alimentary canal formed from the proliferating cushion, 

 pr.r. D, Syllis ramosa, showing branching of the asexual stock and budding of 

 reproductive individuals, r.s., r.s. , from parapodia of the stock. E, Diagram 

 of the swarming of the Palolo worm, Leodice. a, mature female protruding 

 posterior end from its burrow; b, male — the sexual part of which has just 

 become detached ; c, sexual fragments swimming up to the surface and d, 

 discharging the eggs and sperm. In e they are emptied and sink to the bottom ; 

 /, parent worm regenerating the sexual region. 



