802 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 14 



PLATE 72 



Fig. 1. Crisia cribrar'ta Stimpson, mode of branching and ovicell. 



Fig. 2. Crisia scrrulata new name, ovicell and mode of branching; 

 note at left the usual short inserted basis rami. 



Fig. 3. Crisia maxima Robertson, ovicell and mode of branching; 

 note long free end of the tubules and the small reflected 

 ooeciostome. 



Fig. 4. Filicrisia franciscana Robertson, mode of branching and 

 frontal position of ooeciostome. 



Fig. 5. Filicrisia geniculata (Milne-Edwards), infertile internode, 

 ovicell with dorsal position of ooeciostome, and smaller 

 dimensions. 



Fig. 6. Crisulipora occidrntalis Robertson, a fertile internode show- 

 ing long peristomes and ovicell spreading among peri- 

 stomes, ooeciostome centrally placed near distal end. 



Fig. 7. Hornrra pinnata Canu and Bassler, sketch of frond and 

 base. 



Fig. 8. The same, frontal view of branch with lateral pinnule. 



Fig. 9. The same, dorsal view of tip of branch. 



Fig. 10. Hornera pectinata Busk, sketch of frond and base. 



Fig. 11. The same, frontal view of tip of branch, showing the 

 irregular, pectinate tips of the tubules. 



Fig. 12. The same, dorsal side of tip of branch. 



