REVISION OF PILARGIDAE — PETTIBONE 



173 



Figure 7. — Ancistrosyllis hartmanae, new species: a, general outline of animal; b, dorsal 

 view anterior end, with looped part of digestive tract in setigers 3-6 shown; c, ventral 

 view anterior end. 



Ancistrosyllis jonesi, new species 



Figures 9, 10 



The species is based on 3 incomplete specimens collected by Marvin 

 Wass in Chesapeake Bay off Rappahanock River in 7 fathoms in mud, 

 July 21, 1961, holotype USNM 30983, 37°36' N., 76°06' W., and 2 

 paratypes USNM 30984, 37°32' N., 76°07' W. The species is named 



