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PROCEEDINGS OF THE NATIONAL MUSEUM 



Figure 5. — AncistrosylUs hamata (from paratype from Sta. 2311): a, dorsal view anterior 

 end; b, cross section in region of setiger 60; c, parapodium from same; d, neurosetae. 



Ancistrosyllis papillosa (Jones) 



Figure 6 



Ancistargis papillosus [sic] Jones, 1961, p. 3, figs. 1-14. 



Material examined: Holotype and 2 paratypes from Alligator 

 Harbor, Fla., loan from Meredith L. Jones (AMNH). One small 

 specimen, Port Aransas, Tex., 5 fms., mud, M. L. Jones (AMNH). 



Description: Length to 10 mm., width to 0.5 mm., segments to 54. 

 Body flattened dorsoventrally, widest in middle region, tapering an- 

 teriorly and posteriorly, with segmental dorsal transverse ridges, 

 parapodia deeply cut. Prostomium with large palpophores and small 

 filiform palpostyles, with short digitiform lateral antennae extending 

 slightly beyond palps, with paired small eyespots ventrally. Ten- 

 tacular segment indistinct from prostomium, with 2 pairs of tentacular 

 cirri, longer than palps. Dorsal cirri of first setiger similar to follow- 

 ing. Dorsal cirri fusiform, short, extending slightly beyond neuro- 



