164 ALLAN HAXCOCK PACIFIC EXPEDITIONS VOL. 25 



PLATE 13 



Boccardia basilaria, new species (Stations 5161 and 2217) 



1. Anterior end through segment 13, in dorsal view, x 29. 



2. Posterior end showing pygidial processes and last six segments, 

 in dorsal view, x 29. 



3. Bristle-topped spine from fifth setigerous segment, x 1070. 



4. Accompanying acicular spine from fifth setigerous segment, x 1070. 



5. Acicular spine with simple falcate tip, from fifth setigerous seg- 

 ment, x 714. 



6. A neuropodial hooded hook from seventh (first uncinigerous) seg- 

 ment, x 1140. 



7. A neuropodial hooded hook from a far posterior segment, x 1140. 



