REVISION OF PILARGIDAE — PETTIBONE 



175 



Parapodia subbiramous. Notopodia enlarged, inflated, conical, 

 extending nearly to tips of neuropodial lobes, with notoacicula curving 

 distally and enclosing extensions of intestinal caeca; dorsal cirri 

 small, indistinctly separated from enlarged notopodial lobes; with 

 stout emergent hooked notosetae beginning on setiger 6. Neuropodia 



Figure 9.—AncistT0syllis jonesi, new species (from holotype): a, general outline of incom- 

 plete holotype of 44 segments, outline of intestinal caeca shown in few segments; b, dorsal 

 view parapodium, outline of intestinal caeca shown; c, dorsal view anterior end; d, ventral 

 view anterior end. 



