PLATE 138. 



1. View of the calyx of Zaphrentis gigantea. 



2. View of the calyx of Zaphrentis immanis. 



3. View of the calyx of the Amplexus shumardi in Plate 132, Fig. 14. 



4. View of the calyx of Zaphrentis compressa, with anterior wall 



partly broken. 



5. View of the calyx of the Zaphrentis linneyi in Plate 133, Fig. 30. 



6. View of the calyx of the Z phrentis ungula in Plate 133, Fig. 32. 



7. View of the calyx (anterior wall removed) of the Zaphrentis nod- 



nlosa in Plate 134, Fig. 12. 



8. View of the calyx of an adult corallum of Zaphrentis corniculuni. 



9. View of the calyx of the Zaphrentis prolifica in Plate 135, Fig. 1. 



10. View of the calyx of the Zaphrentis exilis in Plate 134, Fig. 8. 



11. View of the calyx of Zaphrentis yandelli. 



12. View of the calyx of Zaphrentis conigera. 



13. View of the calyx of the Zaphrentis rafinesqui in Plate 135, Fig. 2. 



Collection of the author. 



