150 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 7 



PLATE 26 



Figures 309 to 312, Panthalis pacifica: Fig. 309, prostoraial lobe in 

 dorsal view, x 32; Fig. 310, a superior penicillate seta from 

 twenty-first parapodium, x 290; Fig. 311, a stout aristate seta 

 from same parapodium, x 290; Fig. 312, an inferior neuro- 

 podial seta in lateral view, x 290. 



Figures 313 to 318, Panthalis marginata: Fig. 313, first elytrum 

 from left side in dorsal view, the elytral scar indicated, x 

 32; Fig. 314, first parapodium (second segment) with long 

 ventral cirrus, setae indicated, x 32; Fig. 315, second para- 

 podium (third segment), setae omitted, x 32; Fig. 316, in- 

 ferior neuropodial seta in posterior view, x 290; Fig. 317, a 

 superior penicillate neuropodial seta from a median para- 

 podium, X 290; Fig. 318, a median aristate seta from the same 

 parapodium (there are about 7 of these in a parapodium), 

 X 290. 



Figures 319 and 320, Aphrodita jalcifera: Fig. 319, a long noto- 

 podial seta and dorsal cirrus from a median parapodium, 

 showing comparative lengths of parts, stippling on the seta 

 indicates asperities, x 32; Fig. 320, distal end of notopodial 

 seta, shown in Fig. 319, with subterminal asperities and 

 smooth tip, x 290. 



