584 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 14 



PLATE 58 



Fig. 1. Crepidacantha settgera (Smitt), zooecia with ovicell, spines 



and setigerous avicularia. 



Crepidacantha poissoni (Audouin), zooecia, ovicell, and 



avicularia proximal to aperture. 



Mast'tgophora pesanseris (Smitt), zooecia, ovicell, spines and 



goose-footed avicularian mandible. 



Mastigopliora porosa (Smitt), zooecivmi with large elongate 



vibraculum. 



Eurystomella bilabiata (Hincks), infertile zooecium. 



Adeona violacea (Johnston), adult zooecium with tubercu- 



lated frontal. 



The same, young zooecia. 



Adeona tuhulifera Canu and Bassler, showing high tubular 



peristome bearing the avicularium. 

 Fig. 9. Trigonopora pacifica new species, zooecia, and gonozooecium 



with ovicell and wide aperture. 



