NO. 1624. DESCRIPTIONS OF HAWAIIAN ALCYONARIA— NUTTING. 599 



Studer, Thomas. Alcyonaires proveuant des campagnes de I'Hiroudelle, 1S86- 

 1888, Resultats des Campagnes Scientifiques accomplis sur son yacht par 

 Albert 1""" Prince Sonverain de Monaco.- Fascicule 20, 1901. 



Verrill, a. E. Review of the Corals and Polyps of the West Coast of America. 

 Transactions of the Connecticut Academy of Arts and Sciences, I, 1868. 



Notice of recent additions to the Marine Fauna of the Eastern Coast of 



North America. No. XXXVIII. American Journal of Science and Art, 

 XVI, 1878. 



— Report on the Anthozoa, and on some additional species dredged by the 

 Blake in 1877-1879, and by the U. S. Fish Commission steamer Fish Hawk 

 in 1880. Bulletin of the Museum of Comparative Zoology, XI, No. 1. 

 Cambridge, 1883. 



Versluys, J. Die Gorgoniden der Siboga-Expedition, I, Die Chrysogorgiidae. 

 Leiden, 1902. 



Die Gorgoniden der Siboga-Expedition, II, Die Prinmoidjie. Leiden, lOOG. 



Whitelegge, T. The Alcyonaria of Funafuti. Memoirs of the Australian Mu- 

 seum, III,. Part 5. Sydney, 1897. 



Wright, E. P. The Alcyonaria. Report on the Scientific Results of the Voyage 

 of H. M. S. Challenger, etc. Narrative of the Cruise, I, Part 2. London, 

 1885. 



Wright, E. P., and Studer, Th. Report on the Alcyonaria collected by H. M. S. 

 Challenger during the years 1873-1876. London, 1889. 



EXPLANATION OF PLATES. 



The photographic work was done by the author. The drawings of spicules 

 were made by Dr. William B. Bell. 



Plate XLI. 



Fig. 1. Clavularia spicuUcola Nutting, X 4. The Clavularia is seen growing 

 on a sponge spicule. 



2. Clavularia corrugata 'Nutting, X 4. Individual polyps above, and a por- 



tion of solenium growing over the peculiar woody substance on which 

 the colonies were found below. 



3. Spongodes alcxanderi Nutting, X 4. The specimen was so thick that 



onlj^ portions of it could be brought into focus. 



4. Siphonogorgia coUaris Nutting, X 4. 



5. Pennatula flava Nutting. Entire colony, reduced about one-third. 



6. Pennatula flava Nutting. Two of the pinnae, X 4. 



7. Pennatula sanguinea Nutting. Entire colony, reduced about one-third. 



8. Pennatula sanguinea Nutting. Two of the pinnae, X 4. 



9. Pennatula palliaa Nutting. Entire colony, reduced about one-third. 

 10. Pennatula pallida Nutting. Two of the leaves, X 4. 



Plate XLII. 



Fig. 1. Calibclemnon symmetricum Nutting. Entire colonies, slightly reduced. 



2. Calibelemnon symmetricum Nutting. Three polyps. X 4. 



3. TJmhellula jordani Nutting, reduced about one-third. 



4. Umhellula gilherti Nutting, reduced about one-third. 



5. Cladiscus studeri Nutting. Front and back views of colony, slightly 



reduced. 



6. Cladiscus studeri Nutting. Group of polyps, X 4. 



7. Protoptilum tcrighti Nutting. Portion of colony, X 4. 



8. Trichoptilum attenuatum Nutting. Portion of colony, X 4. 



9. Umhellula, species. Slightly magnified. 



