176 ALLAN" HANCOCK PACIFIC EXPEDITIONS VOL. 25 



PLATE 19 



Upper left. Telepsavus costarum Claparede ( Sta. 5254), translucent, 

 annulated tubes from a large sample, x 1. 



Lower left. Phyllochaetopterus prolific a Potts (Sta. 5030), showing ir- 

 regularly twisted, opaque tubes taken from a larger mass, x 1. 



Upper right. Chaetopterus variopedatus (Renier) (Sta. 5254) removed 

 from a large, U-shaped parchmentlike tube, x 1. 



Lower right. Chaetopterus -variopedatus (Renier) (Sta. 5030), showing 

 three tubes, part of a large clump massed together, x 0.5. 



