102 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 7 



PLATE 2 



Figures 16 to 30, Pontogen'ta laeviseta: Fig. 16, prostomium in dor- 

 sal view, ventral eyes indicated by cross bars, median antenna 

 turned unnaturally to the right (863-38), x 25; Fig. 17, a 

 median parapodium, some of the notopodial setae pulled out 

 when the debris was cleared away; scale and dorsal fascicles 

 turned forward so as to indicate the shape of the elytrum ; 

 parapodial papillae not shown, x 12.5; Fig. 18, a neuropodium 

 from the median region (244-34), x 32; Fig. 19, a superior 

 neuropodial seta from the second segment, x 290; Fig. 20, a 

 ventralmost neuropodial seta from a median parapodium (244- 

 34), X 130; Fig. 21, tip of a median neuropodial seta from the 

 same parapodium, x 130; Fig. 22, tip of a dorsalmost noto- 

 podial seta from a median parapodium, x 66 ; Fig. 23, a su- 

 perior neuropodial seta from a posterior parapodium, x 290 ; 

 Fig. 24, an inferior neuropodial seta from a posterior para- 

 podium, X 290 ; Fig. 25, part of the basal area from a median 

 elytrum, indicating the distribution of the papillae near the 

 point of attachment, x 130; Fig. 26, parapodium from the third 

 segment, with greatly elongate dorsal cirrus, and heavy noto- 

 podial setae, x 25 ; Fig. 27, distal end of seta shown in Fig. 

 22, enlarged, x 290; Fig. 28, an inferior neuropodial seta from 

 second segment, with 2 roAvs of spinelets, x 290 ; Fig. 29, tip 

 of stout, superior notopodial seta from third segment, x 290; 

 Fig. 30, tip of a ventralmost notopodial seta from a median 

 parapodium, with a few asperities, x 290. 



