340 ALLAN HAXCOCK PACIFIC EXPEDITIONS VOL. 7 



PLATE 50 



Figures 9, 10, Cisienides letjaHs (292-34) : Fig. 9, uncinus in lateral 

 view, X 45 5 ; Fig. 10, tip of one of 3 scaphal spines from left side, 

 enlarged. 



Figures 11, 17, C'tstenides tjouldii: Fig. 11, tip of one of 16 scaphal 

 spines from one series, enlarged; Fig. 17, distal end of a shorter, 

 limbate seta with incised margin, x 469. 



Figures 12, 15, Pectinatia cliilrnsis (835-38) : uncinus in lateral view, 

 X 770; Fig. 15, one of shorter limhate setae, x 143. 



Figures 13, 14, 16, Cistenides hicviioma (887-38): scaphal spine, x 

 245; Fig. 14, uncinus in lateral view, x 770; Fig. 16, outline of 

 tube in lateral view, x 1.4 (see also pi. 4, fig. 22). 



