Plate 14. 



Fic. 1. Chiiprria jxirvispina, noAV s]iocies. (p. 54.) 



The fyjie specimen X 20, illustrating the alisence of large distal sj'ines which are replaced by 

 very small fragile ones. 



Miocene (Choctawhatchee marli: Jackson Bluff, Ocklocknce Kivcr, 12o miles southwest of 

 Tallahassee, Florida. 

 Fic.'i. 2^. Chaperia cawinosa Ulrich and Bassler, 1904. (p. 54.) 



2. One of the original types, X 20, with ovicelled zooecia and the salient triangular avicularium 

 well developed. 



3. Another specimen not so well preserved, X 20, showing the ordinary zooecia. 



4. View of a zoarium, X 20, with the ovicells 1 roken. 

 Miocene (C'hoptank formation!: Jones Wharf, Maryland. 



Fig. 5. VelumrUi elongata, new species, (p. 58.) 



The incrusting zoarium, X 20, with large, elongated zooecia, several of which show the ovicell. 



Miocene (Duplin marl): Natural Well, 2 miles southwest of Magnolia, North Carolina. 

 Fig. 6. J'/onV/tna ?»i« inio, new species, (p. 57.) 



The incrusting zoarium, X 20, showing both the ancestrular and marginal areas. 



Miocene (Du]ilin marl): Natural Well, 2 miles northwest of Atagnolia, North Carolina. 

 FiG.s. 7, S. Floiiiina regularis, new species, (p. 57.) 



7. The external layer of the lamellar incrusting zoarium, X 20. 

 Miocene (Du|)lin marl ): Wilmington, North Carolina. 



8. A variety of this s]wcies, X 20. distinguished liy its slightly smaller zooecia. 



Miocene (Duplin marli; Natural Well, 2 miles southwest of Magnolia, Duplin County, North 

 Carolina. 

 Fiii. 9. liemiscpti'Jln fistula Ulrich and Bassler, 1904. (p. 73.) 



The original type, X 20, showing the spicules on the inferi<ir border. 



Miocene (S:'t. Mary's formation): St. Marys River, Maryland. 

 F"in. 10. Ilemiseptella'! lacinia Tuomcy and Holmes, 1857. (p. 70.) 



The original figure of this doubtful sjiecies which has not been rediscovered. 



Miocene: Smith's, Goose Creek, South Carolina. 

 Fici. 11. Ilemiseptella rectangulata, new species, (p. 74.) 



Photograph of the incrusting zoarium, X 20, showing the rectangular form of the zooecia, the 

 minute spinosc processes, and the absence of dietellae. 



Miocene (Duplin marl;: Wilmington, North Carolina. 

 FiG.s. 12, 13. Steejanoporella mngnilabris Busk, 1854. (p. 63.) 



12. Surface of a zoarium, X 20, showing the polypidian tulie and the opesiules. 



13. An example, X 20, with both small (ai and large (B) zooecia, and illustrating clearly the 

 large lip under which is a polypidian tube. 



Pliocene (Caloosahatchee marl): Monroe County, Florida. 

 258 



