338 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 7 



PLATE 49 



Figures 1 to 6, Pectinaria calif orniensis (1130-40) : Fig. 1, anal plaque 

 in dorsal view, x 28; Fig. 2, 8 of 13 hooks in anal plaque from 

 left side, I represents the innermost, XII the one next to the outer- 

 most (the seventh to tenth and thirteenth not shown), x 469; Fig. 

 3, uncinus in frontal view, x 770 ; Fig. 4, 3 outermost cephalic 

 paleae, x 574; Fig. 5, outline of tube as usually found in collec- 

 tions, X 1.4 (compare pi. 4, fig. 21); Fig. 6, uncinus in lateral 

 view, X 770. 



Figure 7, Cistenides granulata, one of 6 scaphal hooks, showing shoul- 

 der below hooked end, enlarged. 



Figure 8, Pectinaria californiensis newportensis: 3 of 13 scaphal 

 hooks, including the innermost and outermost in a series, x 609. 



