Plate 27. 



Figs. 1^. Crisina striatopora I'lrich and Bassler, 1904. (p. 200.) 



1. The type specimen, X 5. 



2. View of the end of a branch, X 17. 



3. Lateral view of one of the branches, X 23. 



4. Upper surface of the same branch, X 17. 



Miocene (Choptank formation): Jones Wharf, Maryland. 

 Figs. 5-11. Trctocydoecia a vdlana,Tievr species, (p. 206.) 



5-6. Two specimens natural size, showing variations in the free splierical zoarium. 



7. Surface of a globular specimen, X 12. 



8. Zoarial surface, X 25. 



9. Surface, X 12, showing that tlie ovicell is large and irregular. 



10. A tangential thin section, X 25. 



11. A longitudinal tliin section, X 25, sliow-ing the hollow walls and the absence of diaphragms. 

 Miocene TDuplin marl i: one-half mile above Edenliouse Point, Chowan River, North Carolina. 



Figs. 12-13. Spathipora longimuda, new species, (p. 16.) 



A portion of the type specimen, X 20 and X 10, illustrating the elongated fusiform zooecia with 

 a long peduncle attached to the canalicules at an angle of about 45°. 



Miocene (St. Mary's formation): Bowler's wharf, 18 miles above Urbana, Middlesex County, 

 Virginia. 

 Fig. 14. Spathipora cucuUalii, new species, (p. 16.) 



The type specimen, X 20, showing the zooecia embedded in the sliell substance. 

 Miocene ( Yorktown formation) : Beulahland, Virginia. 

 Figs. 15-16. Terebripora parvicella, new species, (p. 15.) 



Two ^-iews of the type specimen, X 10 and X 20, illustrating the very tliin canalicules branching 

 almost at right angles and the sliglitly oblique arrangement of the zooecia. 

 Miocene (Duplin marl): two miles southwest of Magnolia, North Carolina. 

 Fig. 17. Berenicea ftahellum? Reuss, 1847. (p. 194.) 

 The American example, X 12, referred doubtfully to this European species. 



Miocene (Yorktown formation): Weavers Pond, Gloucester County, Virgima. 



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