174 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL.15 



PLATE 16 



Figures 1 to 6, Nephtys acrochaeta: Fig. 1, thirty-sixth parapodium 

 in anterior view, x 23 ; Fig. 2, thirty-sixth parapodium in pos- 

 terior view, x 23 ; Fig. 3, part of a preacicular barred seta near 

 the basal end of barred region, seen from the front, x 608 ; Fig. 4, 

 part of a preacicular barred seta seen from the side, x 608; Fig. 

 5, part of a postacicular seta showing spur and basal region of 

 the spinous region, seen from the front, x 483; Fig. 6, part 

 of a postacicular seta showing spur and basal region of the 

 spinous region, seen from the side, x 483. 





