EXPLANATION OF PLATES. 



The disks to which the specimens photographed are attached are 8 inches in diameter. While the reduction 

 is not exact in every instance, the diameter of most of the disks in the reproductions is about 2 inches, making 

 the specimens approximately 0.25 natural size. 



Plate i. 



1. Tile I. A, Plexaura flexuosa; B, Gorgonia flabellum; C, Eunecia sp. Photographed 



August 191 1. 



2. Tile I. Specimens same as above. Photographed August 1912. 



3. Tile 2. A and B, two specimens of Plexaura flexuosa. Photographed August 191 1. 



4. Tile 2. Same as in figure 3, Photographed August 1912. 



5. Tile 3. A, Eunecia sY>-\ B, Gorgonia flabellum. Photographed August 191 1. 



6. Tile 3. Same. Photographed August 1912. 



Plate 2. 



7. Tile 8. A, Eunecia sp. ; B, Plexaura flexuosa; C, Eunecia sp. Photographed August 



1911. 



8. Tile 8. Specimens as in figure i. Photographed August 1912. 



9. Tile 7. A, Plexaura flexuosa; B, Eunecia sp.; C, Gorgonia flabellum. Photographed 



August 1912. See figure 13. 



10. Tile 15. A, Eunecia sp.; one year old, B, Gorgonia flabellum, one year old. Photo- 



graphed August 1912. 



11. Specimen of Plexaura flexuosa, one year old; 0.5 natural size. Photographed August 



1912. 



12. Tile 16. One-year old specimens of Plexaura flexuosa. Photographed August 1912. 



13. Tile 7. Specimens as in figure 9. Photographed August 191 1. 



14. Tile 18. A, One-year old specimen, and B, a two-year old specimen of (jOrgow«aj?o&e//MW. 



Photographed August 1912. 



90 



