476 ALLAN HANCOCK. PACIFIC EXPEDITIONS VOL. 10 ] 



PLATE 56 



Figures 1-2, Dasybranchus lunulatus: Fig. 1, abdominal hook in 



lateral view, x 1916; Fig. 2, abdominal hook in frontal view, 



X 1916. 

 Figures 3-4, Dasybranchus lumbricoides: Fig. 3, abdominal hook 



in lateral view, x 1543; Fig. 4, abdominal hook in frontal view, 



X 1543. 



