242 THE VOYAGE OF H.M.S. CHALLENGER. 



PLATE VIII. 



Figs. 1-6. Bathelia Candida. Off the Mouth of the Rio cle la Plata. 600 fathoms. 



1. A large dead specimen, partly overgrown by various incrustations, and hence 



not showing the texture of the surface or other details ; figured to show the 

 mode of branching. 



2. Portion of a branch which was living when dredged. 



3. 4. Enlarged views of fully -grown calicles. 



5. Enlarged view of young calicle from the tip of a branch. 



6. Portion of a branch much enlarged to show the costse and striation of the 



surface. 

 Figs. 7, 8. Lophohelia prolifera. Off Sombrero Island, Danish West Indies. 450 

 fathoms. 



7. A branch of the natural size. 



8. Mouth of a calicle enlarged. 

 Figs, 9, 10. Lophohelia arhuscida. 



10. Mouth of a calicle enlarged. Off Banda Island. 200 or 360 fathoms. 

 Figs. 11-14. Lophohelia tenuis. Off the Philippine Islands. 375 fathoms. 



1 1 . Fragment of a branch of the natural size. 



12. Mouth of a calicle enlarged. 



13. View of one side of the interior of a calicle to show the form of the septa. 



14. Portion of the exterior of the wall of a calicle to show the costse. This figure 



is very blurred and imperfect. 



PLATE IX. 



Figs. 1-5. Solenosmilia variabilis. Off Ascension Island. 420 fathoms. 



1 . A massive example of the coral of the natural size. 



2. One of its calicles enlarged. 



3. A pair of young calicles from the tip of a branch to show the bigemmation and 



communication of the cavities of the two calicles. 



4. A less massively grown specimen of the same coral. 



5. A dead and worn specimen of a massive example of the same. 



Figs. 6-13. Lophohelia Candida, Off Sombrero Island, Danish West Indies. 450 

 fathoms. 



6. An average specimen attached at its base to a bundle of spicules of Hyalonema 



which it encrusts. 

 7,8. Mouths of calicles of the same specimen. 



