612 



Figure 11. — L. flexilis V.; a and 6, lo.nger double-spindles ; c, stouter double-spindle, — 

 enlarged 200 diameters. 



Figure 12. — Eugorgia amplaY.; a, longer double-spindle; b and c, double-wheels, — 

 enlarged 200 diameters. 



Figure 13. — E. nobilis V. ; a, longer, and 5, stouter double-spindles ; c and d, double- 

 wheels, — enlarged 200 diameters. 



Figure 14. — E. Daniana Y. ; a, longer, and b, stouter double-spimJles ; c and rf, double- 

 wheels, — enlarged 200 diameters. 



Figure I'l. — E. aurantiaca V. ; «, longer, and b. stouter double-spindles; c and d, double- 

 wheels. — enlarged 200 diameters. 



Figure 16. — Echinogorgia aurantiaca V.; scale-club, — enlarged 100 di;imeters. 



Figure 17. — Psammogorgia orbuscula V.; a, spindle from the polyp; 6, irregular spin- 

 die from tlie coenenchyma; (- and d, irregular club-shaped spicula, — enlarged 

 100 diameters. 



Figure 18. — P. teres V.; a, double-spindle; b. irregulai- stout >piiidle; c, irregular head, 

 — enlarged 100 diameters. 



Figure 19. — P. gracilis V . ; a. spindle; b, club-shaped spiculum. — enlarged 100 diam- 

 eters. ' 



Figure 20. — Leptogorgia eximia V. : longer double-spindle, — enlarged 200 diameters. 



Figure 21. — L. Caryl. V.; a, longer double-spindle : 6, stouter irregular double-spindle, 

 — enlarged 200 diameters. 



Figure 22. — GalUpodlum Paclficun V. ; a, b, c. branched spicuLi from the coenenchyma, 

 — enlarged 100 diameters. 



Figure 23. — C. aureum V.; a, 6, c, branched spicula from the coenenchyma, — enlarged 

 100 diameters. 



Plate VI. 

 All the figures on this plate and the next are copied from pliotographs made by the 

 author and Mr. S. I. Smith, and represent branches or terminal branchlets of natural 

 size. 



Figure 1 . — Leptogorgia Florcn V. Figure 8. — E. multifida V. 



Figure 2. — L. eximia V. Figure 9. — Psammogorgia arbuscula V. 



Figure 3. — L. diffusa V. Figure 1 0. — P. gracilis V. 



Figure 4. — L. Adamsii Y. Figure II. — Heterogorgia verrucosa Y. 



Figure 5. — L. rutila V. Figure 12 — Muricea tenella Y. 



Figure 6. — Eugorgia ampla Y. Figure 13. — L. squarrosa Y. 



Figure 7. — E. Daniaaa Y. 



Plate VII. 



Fiiiure 1. — Psammogorgia teres V. Figure 6. — M. purpurea V. 



Figure 2. — Muricea fruticosa V. Figure 7. — M. tubigera V. 



Figure 3 — M. robusta V. Figure 8. — 31. hebes V. 



Figure 4. — M. hispida V. Figure 9. — M. albida V. 



Figure 5. — M. acervata V. Figure 10. — 31. crassa V. 



