196 
PACIFIC SCIENCE, Vol. V, April, 1951 
Kukenthal, W. 1924. Octocorallia. In: 
Kiikenthal-Krumbach’s Handbuch der Zo- 
ologie, I: 690-769. 
Pratt, E. M. 1903. The mesogloeal cells of 
Alcyonium. (Prelim, acct.) Zool. Anz., 25: 
545-548. 
1905. The digestive organs of the 
Alcyonaria and their relation to the meso- 
gloeal cell plexus. Micros. Set., Quart. Jour. 
49(2): 327-362, pis. 20-22. 
Thomson, J. Arthur, and Laura M. I. 
Dean. 1931. The Alcyonacea of the Siboga 
Expedition, with an appendum to the 
Gorgonacea. Siboga-Expeditie, mon. 13d, 
livr. 115, 227 pp., 28 pis. 
Woodland, W. 1905. Studies in spicule for- 
mation. Pt. II. Spicule formation in Alcyo- 
nium digitatum, with remarks on the his- 
tology. Micros. Sci., Quart. Jour. 49(2): 
283-304, pis. 16-17. 
