DESCRIPTION OF THE PLATES. 93 



F rg. 1 2. 'I'lie sime, caliclc, map;. 9 times. 

 " i;!. Stylaster filogranus Pourt., iKit. size. 

 '■ 14. The same, branclilet mag. 4 tliiius. 



PLATE VI. 



Fig. 1. Stvlaster Dn:Iia«siingii Pjurt., nat. slzu. 



'■ 2. The same, braiiclilet, mag. 4 times. 



" 3. Oculina varicosa Lesueur, branelilet, nat. size. 



" 4. The same, calicio mag. 4 times. 



" 5. Errina c.arinata Point., mag. C times. 



" G. Diplohelia profunda Pourt., nat. size. 



" 7. The same, calitle mag. 4 times. 



" 8. Parasmilia Lymani Pourt., nat. size. 



" 9. The same, calicle from above, mag. twice. 



" 10. The same, side view of a septum, showing the origin of the false cohioaella and false 



pali ; mag. about 3 times. 



" 11. Parai'yathus oonfertus Pourt., nat. size. 



" 12. The sauie, calicle from above, mag. 3 times. 



" 13. The same; a single specimen, tlie more usual form, mag. twice. 



" 14. Cselosmilia fcecunda Pourt., nat. size. 



" 15. The same, calicle from above, mag. twice. 



" 16. Trochocyatlius ? coronatus Pourt, nat. size. 



PLATE VII. 



Fig. 1. Madracis decactis VerriU, mag. twice. 



" 2. The same, calicle, side view, mag. 12 times. 



" 3. The same, calicle from above, mag. 12 times. 



" 4. Madracis asperula M.-Edw. & H., calicle mag., 12 times. 



" 5. Fungia syuimetrica Pourt., from above, mag. twice. 



" 6. The same, from below. 



" 7. DIstichopora sulcata Pourt., nat. size (specimen belonging to D. Raphael Arango, in 



Havana), see Plate IV., fig. 14. 



" 8. Lepidopora glabra Pourt., branchlet, mag. 6 times. 



" 'J. The same, vertical sc^ction, to show the columella. 



" 10. Lepidopora Dabneyi Pourt., branchlet, mag. 6 times. 



" U. The same, vertical section. 



PLA.TE VIII. 



Map of the Straits of Florida. 



■ity Press, Cambridge : Printed by Welch, Bigelow, & Co. 



