206 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 22 



PLATE 15 



Lumbriclymene Uncus, new species (sta. 5935) 



1. Anterior end including first 5 setigerous segments, in left 



lateral view, x 18. 



2. Posterior end including last setigerous segment and 



pygidium, in right lateral view, x 18. 



Praxillella trifila, new species (sta. 6341 ) 



3. Posterior end shown extending from an arenaceous tube, 



with extended anal cone and 3 long cirri, x 22. 



4. Rostrate, long handled uncinus from a median neuro- 



podium, in lateral view, x 1010. 



