368 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 10 



PLATE 32 



Figures 42-44, 48, Sabellaria 'vulgaris: Fig. 42, inner opercular 

 palea; Fig. 43, middle opercular palea ; Fig. 44, distal end of 

 outer opercular palea, showing serrated edge and penicillate 

 spike; Fig. 48, abdominal uncinus from the side. 



Figures 45-47, Sabellaria vuhjaris beaufortensis : Fig. 45, outer 

 opercular palea from the top; Fig. 46, middle opercular palea; 

 Fig. 47, inner opercular palea (figs. 45-47 to same magnification). 



Figures 49-52, Sabellaria cemeniarium: Fig. 49, distal end of outer 

 opercular palea, showing penicillate spike; Fig. 50, outer oper- 

 cular palea from side, showing insertion of spike; Fig. 51, 

 middle opercular palea; Fig. 52, inner opercular palea (figs. 

 49-52 to same magnification). 



