342 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 7 



PLATE 51 



(Photographs by Mr. Granville Ashcraft; all natural size.) 



Figure 18, Cistenides regalis (292-34): portion of tube in lateral 

 view, and entire animal in dorsal view. 



Figure 19, Pectinaria cliilcnsis (835-38) : portions of two tubes and 2 

 entire animals in ventral and dorsal views, from left to right. 



