542 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 14 



PLATE 37 



Fig. 1. Schizoporella unicornis (Johnston), infertile zooecium with 



form of aperture, avicularium and umbo. 



The same, ovicell and paired avicularia. 



Schizoporella tric/iotoma (Waters), zooecia with stellate 



pores and ovicell. 



Schizoporella linearis var. inarmata (Hincks), zooecium 



with ovicell. 



The same, showing aperture and regularly roughened 



frontal. 



Emhallotheca altimuralis new species, zooecium and ovicell. 



The same, details of aperture and high separating wall. 



Schizoporella dissimilis new species, marginal zooecium with 



characteristic distal oral avicularia. 

 Fig. 9. Schizoporella cornuta (Gabb and Horn), showing ovicell 



and frontal avicularium. 

 F'ig. 10. The same, operculum, enlarged twice. 

 Fig. 11. The same, young zooecium of the secondary layer. 

 Fig. 12. Schizoporella dissimilis new species, with pointed lateral 



oral avicularia. 

 Fig. 13. The same, with ovicell and avicularia in more proximal 



position. 



