562 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 14 



PLATE 47 



Fig. 1. Smittina landsborovii (Johnston), infertile zooecium show- 

 ing lyrula and avicularium. 



Fig. 2. The same, ovicell. 



Fig. 3. Smittina spathulifera (Hincks), with broad lyrula and avicu- 

 larium remote from aperture. 



F'ig. 4. Smittina bella (Busk), zooecium and details of aperture and 

 avicularium. 



Fig. 5. The same, ovicell. 



Fig. 6. Smittina retifrons new species, adult infertile zooecium. 



Fig. 7. The same, showing details of aperture. 



Fig. 8. The same, ovicell. 



Fig. 9. Smittina altirostris new species, zooecia with details of aper- 

 ture and avicularian umbo. 



Fig. 10. The same, diagram of side view with prominent umbo. 



Fig. 11. Smittina smittiella Osburn, adult zooecium with ovicell and 

 serrate avicularian rostrum. 



Fig. 12. The same, young zooecium showing form of aperture and 

 lyrula. 



Fig. 13. Smittina arctica (Norman), infertile zooecium with details 

 of aperture and avicularium. 



Fig. 14. The same, ovicell. 



