152 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 



PLATE 27 



Figures 321 to 325, P'tsione oerstedi: Fig. 321, anterior end of a 

 smaller (25 mm long) individual, with proboscis protruded, 

 the dorsal jaws indicated in dotted lines, x 66; Fig. 322, third 

 parapodium, with setae and acicula indicated, x 66; Fig. 323, 

 one of 6 composite setae in a neuropodium from a median para- 

 podium, X 290; Fig. 324, 2 stout, acicular setae from a median 

 parapodium, with distal end of neuropodial lobe, x 290; Fig. 

 325, a bent, embedded aciculum, located between the simple 

 setae and the composite setae (others are distally straight), x 

 290. 



Figure 326, P'tsionella hancocki: Anterior end in dorsal view, x 66. 



