582 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 14 



PLATE 57 



Fig. 1. Tetraplaria veleronis new species, node of erect branch, 



showing origin of divergent branch at the top. 

 Fig. 2. The same, central portion of encrusting base, with the an- 



cestrula, two normal zooecia, two closed zooeciules and the 



base of an erect branch. 

 Fig. 3. The same, another portion of the encrusting base with closed 



zooeciules, one functional zooecium and two bases of erect 



branches. 

 Fig. 4. Cryptosula pallasiana (Moll), usual condition of zooecia. 

 Fig. 5. The same, with small suboral avicularium and umbo. 

 Fig. 6. Hippopodinella adpressa (Busk). 

 Fig. 7. Enantiosula manica Canu and Bassler, zooecium, form of 



aperture, large lateral avicularia and minute median distal 



avicularium. 

 Fig. 8. Enantiosula plana new species, the three oral avicularia of 



the same size and form, the aperture more elongate than in 



E. manica. 

 Fig. 9. The same, operculum. 



Fig. 10. Dakaria ordinata (O'Donoghue), zooecium, form of aper- 

 ture and the ovicell which is overlaid with an usually broad 



border from the adjoining zooecia. 

 Fig. 11. The same, operculum. 

 Fig. 12. Dakaria sertata Canu and Bassler, zooecia and ovicell and 



the characteristic "necklace" of small tubercles. 

 Fig. 13. The same, operculum. 



