166 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 15 



PLATE 12 



Figures 1 to 5, Hemipodus armatus (265-34): Fig. 1, paragnathal end 

 of proboscis seen from the front of the everted proboscis, x 27; 

 Fig. 2, a proboscidial organ in three-fourths view, x 881; Fig. 

 3, a median parapodium in anterior view, x 124; Fig. 4, jaw with 

 attached aileron showing where the latter is attached, x 935; 

 Fig. 5, jaw with aileron, showing curvature of the jaw, x 935. 



