546 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 14 



PLATE 39 



F'ig. 1. Dakaria daivsoni (Hincks), ovicell with rounded frontal 



area. 



The same, form of operculum, enlarged twice. 



Dakaria pristina (Hincks), ovicell with irregular pores and 



triangular frontal area. 



The same, form of aperture. 



Dakaria biserialis (Hincks), zooecium with ovicell. 



The same, details of aperture with two rows of oral spines. 



Dakaria apertura new species, infertile zooecium with 



rounded aperture. 

 Fig. 8. The same, ovicell with broader aperture and large area with 



irregular pores. 

 Fig. 9. The same, operculum of infertile zooecium. 

 Fig. 10. Emballotheca latifrons new species, showing form of aper- 

 ture and small lateral-oral avicularia. 

 Fig. 11. The same, ovicell and avicularium distant from aperture. 



