Plate 30. 

 Fig. 1. Dakariu panipr>rosu, new species, (p. 98.) 



The incrustiiii,' zoarium, X 20, exhibiting the form of aperture and the minute tre.nopores. 



Pliocene (Waccamaw marl): Waccamaw River, Horry County, South Carolina. 

 Figs. 2, 3. Microporella tessdlata Tuomey and Holmes, 1857. (p. 122.) 



2. Zooecia, X 20, showing a large avicularium placed lower than the apertura. 



3. Ancestrular region, X 20, with several worn zooecia exhibiting the dietellae. 

 Pliocene (Waccamaw marli: Waccamaw River, Horry County, South Carolina. 



Fin.s. 4, 5. Schizopo'lriihi imirgianta. new species, (p. 107.) 



4. Usual aspect of the incrusting zoarium, X 20. 



5. Zooecia, X 20, with the marginal rims worn away. 



Pliocene (Waccamaw marli: Waccamaw River, Horry County, South Carolina. 

 Figs. 0-14. Cyclocolposri pcr/omln, new species, (p. 135.) 

 G. Normal zooecia of the incrusting zoarium, X 20. 



7. Ovicelled zooecia, X 20. 



8. Portion of a zoarium, X 20, showing two ancestrular areas with their surrounding zooecia 

 (numbered 1, 2, 3, 4, 5). 



9. .\ncestrular region, X20, with the ancestrula covered by the pleurocyst of the adjacent zooecia 



10. Zooecia, X 20, exhibiting the olocyst and illustrating that the pleurocyst is detachable. 



11. Ancestrular region, X 20. The ancestrula is reduced to its apertura. 



12. Interior of the zooecia, X 2J, exhiliiting the olocyst. 



13. Worn zooecia, X 20, showing the dietellae. 



14. Ancestrular region, X 20, with surface worn away and illu-itrating the arrangement of the 

 zooecia around the ancestrula. 



Pliocene (Waccamaw marli: Waccamaw River, Horry County, South Carolina. 

 274 



