212 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 22 



PLATE 18 

 Vermiliopsis biformis, new species (sta. 2130) 



1. Tube attached to fragment of shell of Lacqueus, showing 



dual character of tube, with the proximal part fully 

 attached and dorsally ridged, and the distal part 

 erect and cylindrical, x 12. 



2. Operculum with stalk contracted and appearing annular, 



x 90. 



3. Operculum with stalk from another individual, not an- 



nular, x 90. 



