HOLOTHUBIA. 79 



PLATE XIV. 



Flo. 4. White specimen. 



.1. White specimen. 



6. Tontaculum. 



7. Tentaculum. 



8. Tentaculum. 



9. Trntacula and antonnulse enlarged, shewing their structure and 



comparative dimension*. 



10. One of two portion* produced by the spontaneous division of 



fig. 2 Juno 28. 



11. The other of the two portion* of fig. 2 June 28. 



12. Fig. 10, represented two months later August 29. 



13. Fig. 11, represented two month* later August 29. 



14. Half of a divided specimen a* it appeared August 29. 



15. The other half of the same specimen August 29. 



16. Upper half of a specimen, which divided July 25, a* it appeared 



July 29. 



1 7. Under half of the same specimen, which divided July 25, as appear- 



ing July 29. 



18. Upper half of fig. 1 7, after it* own subdivision, as seen on August 5. 



19. Under half of fig. 17, after it* own subdivision, as seen on August 5. 



20. Fig. 16, there represented as on July 29, seen here a week later, as 



on August 5. 



21. Fragment as seen on August 5. 



22. Specimen in the fact of subdivision, where the two parts separating 



are still connected by a slender ligament August 1 3. 



23. Specimen whereof an intestinal portion seemed protruding Sep- 



tember 19. 



24. Specimen whereof the division was protracted during four days. 



25. Minute fragment. 



5. HOLOTHUKIA PHANTAPUS. Plate XV. 



If the appearance of all the species of the Holothuria be singular, 

 t his may be truly described as the most remarkable of the whole : I know 

 not any familiar object to which it may be compared. 



