PLATE LXIV. 



FIG. 



1. TuBULiPORA FLABELLARis, p. 44G ; 11 colouy ill the 



earlier, flabcllate stage. 



2. , a very young colony, showing the primi- 



tive disk. 



3. •, nat. size, a fully developed colony. 



4. LiCHENOPORA VERRUCARIA, p. 478 ; a segment of the 

 disk. 



4«. , single cell, showing the acuminate margin. 



5. , nat. size. 



6. Stomatopora incurvata, p. 433; nat. size. 

 7. , portion of the zoarium, enlarged. 



8. , side view of the zooecia, showing the ori- 

 fices. 



