Plate 19. 
Figs. 1-9. Gemelliporella vorax, new species, (p. 111.) 
1. Ancestrular portion of the incrusting zoariumX20. The ancestrula is covered by the pleu- 
rocyst of the adjacent zooecia. 
2. Zooecia, X 20, with orbicular avicularia. The areolar pores and granular pleurocyst are 
evident. 
3. A zoarium, X 20, with indistinct zooecia and orbicular avicularia. 
Pliocene (Waccamaw marl): Waccamaw River, Horry County, South Carolina. 
4. Zooecia, X 20, with large spatulate avicularia. The areolae are limited by short costules. 
5. Zooecia, X 20, with large areolar pores and the granulated pleurocyst shown. 
6. Portion of a large zoarium, X 20, with indistinct zooecia and orbicular avicularia. 
7. Interior of the zooecia, X 20, showing the olocyst which supports the pleurocyst. 
Miocene (Duplin marl): Wilmington, North Carolina. 
8. Zooecia, X 20, with both large and small avicularia. 
Pliocene (Caloosahatchee marl): Monroe County, Florida. 
9. A zooecia of a young zoarium, X 20, with large spatulate avicularia. 
Pliocene (Caloosahatchee marl): Shell Creek, De Soto County, Florida. 
Fig. 10. Hippoporella spinosa, new species, (p. 132.) 
The incrusting type specimen X 20, showing the smooth frontal with small lateral areolar pores 
and the spines of the peristome. 
Miocene (Yorktown formation): Yorktown, Virginia. 
Fig. 11. Cyclicopora? mansfieldi, new species, (p. 138.) 
Unovicelled zooecia of the incrusting zoarium, X 20, showing the suborbicular aperture and the 
numerous large tremopores. 
Miocene (Yorktown formation): 1J miles southwest of Reeds Ferry, Virginia. 
Figs. 12, 13. Microporella fissurifera, new species, (p. 121.) 
12. Unovicelled zooecia of the incrusting zoarium X 20, exhibiting the dietellae visible along 
the edge of the zooecia. 
Miocene (Yorktown formation): Near Macedonia Church, Essex County, Virginia. 
13. Ovicelled zooecia, X 20. 
Miocene (Duplin marl): 10 miles south of Greenville, North Carolina. 
Fig. 14. Hippoporella papulifera, new species, (p. 133.) 
Unovicelled zooecia of the incrusting zoarium, X 20, with distinct areolar pores and the charac¬ 
teristic mucro. 
Miocene (Choctawhatchee marl): Jackson Bluff, Ocklocknee River, 25 miles southwest of Talla¬ 
hassee, Florida. 
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